/* ============================================================
   浅色清新风 · 作品集样式
   ------------------------------------------------------------
   风格：白底 + 柔和彩色分类标签 + 大圆角卡片 + 充足留白
   ============================================================ */

:root {
  --bg: #fafbfc;
  --card: #ffffff;
  --ink: #0f172a;
  --ink-2: #334155;
  --ink-3: #64748b;
  --ink-4: #94a3b8;
  --line: #e2e8f0;
  --primary: #3b82f6;
  --green: #10b981;
  --purple: #8b5cf6;
  --orange: #f59e0b;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.04), 0 4px 12px rgba(0,0,0,0.04);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.06), 0 12px 32px rgba(0,0,0,0.06);
  --shadow-lg: 0 8px 32px rgba(0,0,0,0.08), 0 24px 64px rgba(0,0,0,0.08);
  --radius: 16px;
  --radius-lg: 24px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--ink);
  font-family: -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  -webkit-font-smoothing: antialiased;
  line-height: 1.6;
}

::selection { background: var(--primary); color: white; }

/* ---------------- 导航 ---------------- */
.nav {
  position: fixed; top: 0; left: 0; right: 0;
  display: flex; justify-content: space-between; align-items: center;
  padding: 20px 5vw;
  background: rgba(250, 251, 252, 0.85);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--line);
  z-index: 100;
}
.nav__logo {
  font-weight: 700; font-size: 18px;
  color: var(--ink); text-decoration: none;
  letter-spacing: 0.02em;
}
.nav__logo span { color: var(--primary); }
.nav__links { display: flex; gap: 32px; align-items: center; }
.nav__link {
  color: var(--ink-3); text-decoration: none;
  font-size: 14px;
  transition: color 0.3s;
  position: relative;
}
.nav__link::after {
  content: ""; position: absolute; left: 0; bottom: -4px;
  width: 100%; height: 2px; background: var(--primary);
  transform: scaleX(0); transform-origin: right;
  transition: transform 0.4s var(--ease);
  border-radius: 2px;
}
.nav__link:hover { color: var(--ink); }
.nav__link:hover::after { transform: scaleX(1); transform-origin: left; }
.nav__link--cta {
  background: var(--ink); color: white !important;
  padding: 10px 20px; border-radius: 100px;
  font-weight: 500;
}
.nav__link--cta::after { display: none; }
.nav__link--cta:hover { background: var(--primary); }

/* ---------------- 首屏 Hero ---------------- */
.hero {
  display: block;
  padding: 138px 5vw 56px;
  max-width: 1400px; margin: 0 auto;
  position: relative;
  overflow: hidden;
}
.hero__right { display: flex; justify-content: center; }
.hero__visual {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: visible;
  animation: float 6s ease-in-out infinite;
}
.hero__visual img {
  width: 100%; height: auto; display: block;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-14px); }
}
.hero__chip {
  position: absolute;
  background: var(--card);
  border-radius: 100px;
  padding: 10px 18px;
  font-size: 13px; font-weight: 600;
  box-shadow: var(--shadow-md);
  animation: float 5s ease-in-out infinite;
}
.hero__chip--1 { top: 8%; left: -24px; animation-delay: 0.6s; }
.hero__chip--2 { bottom: 10%; right: -18px; }
.hero__stats {
  display: flex; gap: 40px;
  margin-top: 40px;
  padding-top: 28px;
  border-top: 1px solid var(--line);
}
.hero__stat b {
  font-size: clamp(30px, 3.2vw, 44px);
  font-weight: 700; letter-spacing: -0.02em;
  color: var(--ink);
  display: block; line-height: 1.1;
}
.hero__stat b i {
  font-style: normal;
  font-size: 0.5em;
  font-weight: 600;
  color: var(--primary);
  margin-left: 3px;
}
.hero__stat span { font-size: 13px; color: var(--ink-3); }

/* ---------------- 打字机行 ---------------- */
.hero__typing {
  margin-top: 26px;
  font-size: 14px; color: var(--ink-3);
  display: flex; align-items: center; gap: 8px;
}
.hero__typing b { color: var(--ink-2); font-weight: 600; }
.typing-caret {
  display: inline-block; width: 2px; height: 1.1em;
  background: var(--primary);
  animation: caret-blink 0.85s steps(1) infinite;
  vertical-align: -0.15em;
}
@keyframes caret-blink { 50% { opacity: 0; } }

/* ---------------- 理念轮播（页脚前） ---------------- */
.credo {
  text-align: center;
  padding: 72px 6vw 8px;
  position: relative;
  min-height: 96px;
}
.credo__item {
  position: absolute; left: 0; right: 0;
  font-size: clamp(20px, 2.6vw, 30px);
  font-weight: 700; letter-spacing: -0.01em;
  color: var(--ink-3);
  opacity: 0; transform: translateY(12px);
  transition: opacity 0.6s var(--ease), transform 0.6s var(--ease);
  pointer-events: none;
}
.credo__item.is-on {
  opacity: 1; transform: none;
  color: var(--ink);
}
.credo__item .accent { color: var(--primary); }

/* ---------------- 跑马灯 ---------------- */
.marquee {
  overflow: hidden;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 18px 0;
  background: var(--card);
}
.marquee__track {
  display: flex; gap: 48px;
  width: max-content;
  animation: marquee 26s linear infinite;
}
.marquee__item {
  font-size: 15px; font-weight: 600; letter-spacing: 0.06em;
  color: var(--ink-3);
  display: flex; align-items: center; gap: 48px;
  white-space: nowrap;
}
.marquee__item i { color: var(--primary); font-style: normal; }
@keyframes marquee {
  to { transform: translateX(-50%); }
}
.hero__eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 13px; letter-spacing: 0.08em;
  color: var(--ink-3);
  margin-bottom: 24px;
}
.hero__dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--green);
  animation: pulse 2.2s infinite;
}
@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.4); }
  55% { box-shadow: 0 0 0 8px rgba(16, 185, 129, 0); }
}
.hero__title {
  font-size: clamp(38px, 5.6vw, 72px);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 28px;
  max-width: 900px;
  white-space: nowrap;
}
.hero__title .line { display: block; overflow: hidden; }
.hero__title .line em {
  display: block; font-style: normal;
  transform: translateY(110%);
  animation: rise 1s var(--ease) forwards;
}
.hero__title .line:nth-child(2) em { animation-delay: 0.12s; }
@keyframes rise { to { transform: translateY(0); } }
.hero__title .accent { color: var(--primary); }
.hero__intro {
  font-size: clamp(16px, 1.6vw, 20px);
  color: var(--ink-3);
  max-width: 560px;
  margin-bottom: 40px;
  line-height: 1.7;
}
.hero__tags { display: flex; flex-wrap: wrap; gap: 10px; }
.hero__tag {
  padding: 8px 18px;
  border-radius: 100px;
  font-size: 13px;
  font-weight: 500;
  border: 1px solid var(--line);
  color: var(--ink-2);
  background: var(--card);
  transition: all 0.3s;
}
.hero__tag:hover { transform: translateY(-2px); box-shadow: var(--shadow-sm); }
.hero__tag--viz { border-color: rgba(16,185,129,0.3); color: var(--green); background: rgba(16,185,129,0.06); }
.hero__tag--b { border-color: rgba(59,130,246,0.3); color: var(--primary); background: rgba(59,130,246,0.06); }
.hero__tag--c { border-color: rgba(139,92,246,0.3); color: var(--purple); background: rgba(139,92,246,0.06); }
.hero__tag--ops { border-color: rgba(245,158,11,0.3); color: var(--orange); background: rgba(245,158,11,0.06); }
.hero__tag--multi { border-color: rgba(99,102,241,0.3); color: #6366f1; background: rgba(99,102,241,0.06); }
.hero__tag--web { border-color: rgba(6,182,212,0.3); color: #0891b2; background: rgba(6,182,212,0.06); }

/* ---------------- 通用区块 ---------------- */
.section { padding: 80px 5vw; max-width: 1400px; margin: 0 auto; }
.section-title {
  font-size: clamp(32px, 4vw, 52px);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}
.section-sub {
  font-size: 15px;
  color: var(--ink-3);
  margin-bottom: 48px;
}

/* ---------------- 精选项目 ---------------- */
.featured {
  display: flex; flex-direction: column; gap: 32px;
}
.featured-card {
  display: grid; grid-template-columns: 1.2fr 1fr;
  background: var(--card);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: all 0.4s var(--ease);
  text-decoration: none;
  color: var(--ink);
}
.featured-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.featured-card__cover {
  aspect-ratio: 4/3;
  position: relative;
  overflow: hidden;
}
.featured-card__cover .ph { transition: transform 0.6s var(--ease); }
.featured-card:hover .featured-card__cover .ph { transform: scale(1.05); }
.featured-card__body {
  padding: 48px;
  display: flex; flex-direction: column; justify-content: center;
}
.featured-card__cat {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 12px; font-weight: 600; letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 16px;
  padding: 6px 12px;
  border-radius: 100px;
  width: fit-content;
}
.featured-card__platforms {
  display: flex; flex-wrap: wrap; gap: 6px;
  margin: 10px 0 14px;
}
.featured-card__platforms span {
  font-size: 11px; color: var(--ink-3);
  background: var(--bg);
  padding: 3px 10px;
  border-radius: 6px;
  border: 1px solid var(--line);
}
.featured-card__title {
  font-size: clamp(24px, 2.6vw, 36px);
  font-weight: 700; letter-spacing: -0.02em;
  margin-bottom: 12px;
}
.featured-card__desc {
  font-size: 15px; color: var(--ink-3); line-height: 1.7;
  margin-bottom: 24px;
}
.featured-card__meta {
  display: flex; gap: 24px;
  font-size: 13px; color: var(--ink-4);
}
.featured-card__arrow {
  position: absolute; top: 24px; right: 24px;
  width: 48px; height: 48px;
  background: var(--card); border-radius: 50%;
  display: grid; place-items: center;
  box-shadow: var(--shadow-sm);
  transition: all 0.3s;
}
.featured-card:hover .featured-card__arrow { background: var(--ink); }
.featured-card:hover .featured-card__arrow path { stroke: white; }

/* ---------------- 作品墙 ---------------- */
.gallery__filters {
  display: flex; gap: 10px; flex-wrap: wrap;
  margin-bottom: 40px;
}
.filter {
  font-family: inherit;
  background: var(--card);
  border: 1px solid var(--line);
  color: var(--ink-3);
  font-size: 13px;
  padding: 8px 18px; border-radius: 100px;
  cursor: pointer;
  transition: all 0.3s;
}
.filter:hover { border-color: var(--ink-2); color: var(--ink); }
.filter.is-on { background: var(--ink); border-color: var(--ink); color: white; }

.gallery__grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px;
}
.gallery-card {
  background: var(--card);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all 0.35s var(--ease);
  text-decoration: none; color: var(--ink);
}
.gallery-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.gallery-card__cover { aspect-ratio: 4/3; position: relative; }
.gallery-card__body { padding: 20px; }
.gallery-card__cat {
  font-size: 11px; font-weight: 600; letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 6px;
  display: inline-block;
  padding: 3px 8px;
  border-radius: 6px;
}
.gallery-card__cat--viz { background: rgba(16,185,129,0.1); color: var(--green); }
.gallery-card__cat--b-end { background: rgba(59,130,246,0.1); color: var(--primary); }
.gallery-card__cat--c-end { background: rgba(139,92,246,0.1); color: var(--purple); }
.gallery-card__cat--ops { background: rgba(245,158,11,0.1); color: var(--orange); }
.gallery-card__title {
  font-size: 17px; font-weight: 600;
  margin-bottom: 4px;
}
.gallery-card__sub {
  font-size: 13px; color: var(--ink-3);
}
.gallery-card.is-hidden { display: none; }

/* ---------------- 叙事引入 ---------------- */
.narrative {
  font-size: clamp(16px, 1.6vw, 19px);
  color: var(--ink-2);
  line-height: 1.9;
  max-width: 620px;
  margin-bottom: 48px;
}
.narrative--end {
  margin: 0 0 32px;
  color: var(--ink-3);
  font-size: 15px;
}

/* ---------------- 故事卡片（数据大屏引入） ---------------- */
.story {
  display: grid; grid-template-columns: 1fr 1.3fr; gap: 48px;
  background: linear-gradient(135deg, #f0fdf4, #f8fffb);
  border: 1px solid rgba(16,185,129,0.15);
  border-radius: var(--radius-lg);
  padding: 48px;
  margin-bottom: 40px;
  box-shadow: var(--shadow-sm);
}
.story__say {
  font-size: clamp(20px, 2.2vw, 28px);
  font-weight: 700; line-height: 1.5; letter-spacing: -0.01em;
  color: var(--ink);
}
.story__who {
  margin-top: 16px;
  font-size: 13px; color: var(--ink-3);
  line-height: 1.7;
}
.story__body p {
  font-size: 15.5px; color: var(--ink-2); line-height: 1.9;
  margin-bottom: 14px;
}
.story__body strong { color: var(--green); font-weight: 600; }
.story__punch {
  margin-top: 20px !important;
  padding-top: 18px;
  border-top: 1px dashed rgba(16,185,129,0.35);
  font-size: 17px !important;
  font-weight: 600 !important;
  color: var(--ink) !important;
}

/* ---------------- 能力卡 ---------------- */
.about__skills {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px;
  margin-top: 32px;
}
.skill-card {
  background: var(--card);
  border-radius: var(--radius);
  padding: 32px;
  box-shadow: var(--shadow-sm);
  text-align: center;
  transition: all 0.35s var(--ease);
}
.skill-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.skill-card__icon {
  width: 56px; height: 56px;
  margin: 0 auto 16px;
  border-radius: 16px;
  background: linear-gradient(135deg, rgba(59,130,246,0.1), rgba(99,102,241,0.1));
  display: grid; place-items: center;
  font-size: 24px;
}
.skill-card h3 { font-size: 17px; font-weight: 700; margin-bottom: 6px; }
.skill-card p { font-size: 13px; color: var(--ink-3); }

/* ---------------- AI 亮点条 ---------------- */
.ai-strip {
  margin-top: 24px;
  display: flex; gap: 24px; align-items: flex-start;
  background: linear-gradient(135deg, #eef2ff, #f5f3ff);
  border: 1px solid rgba(99,102,241,0.18);
  border-radius: var(--radius-lg);
  padding: 32px 36px;
}
.ai-strip__icon {
  width: 52px; height: 52px; flex-shrink: 0;
  background: var(--card);
  border-radius: 14px;
  display: grid; place-items: center;
  font-size: 24px;
  box-shadow: var(--shadow-sm);
}
.ai-strip h3 { font-size: 18px; font-weight: 700; margin-bottom: 8px; color: #4f46e5; }
.ai-strip p { font-size: 15px; color: var(--ink-2); line-height: 1.8; max-width: 720px; }

/* ---------------- 数据大屏墙 ---------------- */
.screens__grid {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px;
}
.gallery-card--screen .gallery-card__cover { aspect-ratio: 16/9; }
.gallery-card--screen .gallery-card__body { padding: 18px 20px; }
.gallery-card--screen .gallery-card__title { font-size: 16px; }
.gallery-card--screen .gallery-card__sub { font-size: 12px; }

/* ---------------- 关于我 ---------------- */
.about__grid {
  display: grid; grid-template-columns: 1fr 1.5fr; gap: 64px;
  align-items: start;
}
.about__card {
  background: var(--card);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow-sm);
}
.about__label {
  font-size: 12px; font-weight: 600; letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-4);
  margin-bottom: 12px;
}
.about__text {
  font-size: 16px; color: var(--ink-2); line-height: 1.8;
  margin-bottom: 32px;
}
.about__facts { display: flex; flex-direction: column; gap: 20px; }
.about__fact {
  display: grid; grid-template-columns: 100px 1fr; gap: 16px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--line);
}
.about__fact:last-child { border-bottom: none; padding-bottom: 0; }
.about__fact span { font-size: 13px; color: var(--ink-4); }
.about__fact p { font-size: 14px; color: var(--ink-2); }

/* ---------------- 页脚 ---------------- */
.footer {
  padding: 80px 5vw 48px;
  text-align: center;
  border-top: 1px solid var(--line);
  margin-top: 80px;
}
.footer__title {
  font-size: clamp(28px, 4vw, 48px);
  font-weight: 700; letter-spacing: -0.02em;
  margin-bottom: 16px;
}
.footer__mail {
  display: inline-block;
  font-size: clamp(18px, 2vw, 24px);
  color: var(--ink-3); text-decoration: none;
  border-bottom: 1px solid var(--line);
  padding-bottom: 4px;
  margin-bottom: 48px;
  transition: all 0.3s;
}
.footer__mail:hover { color: var(--primary); border-color: var(--primary); }
.footer__socials {
  list-style: none; display: flex; justify-content: center; gap: 24px;
  margin-bottom: 32px;
}
.footer__socials a {
  color: var(--ink-3); text-decoration: none; font-size: 14px;
  transition: color 0.3s;
}
.footer__socials a:hover { color: var(--primary); }
.footer__copy { color: var(--ink-4); font-size: 13px; }

/* ============================================================
   项目详情页
   ============================================================ */
.pj-hero {
  padding: 140px 5vw 80px;
  max-width: 1400px; margin: 0 auto;
}
.pj-hero__cat {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 13px; font-weight: 600;
  padding: 6px 14px;
  border-radius: 100px;
  margin-bottom: 20px;
}
.pj-hero__cat--viz { background: rgba(16,185,129,0.1); color: var(--green); }
.pj-hero__cat--b-end { background: rgba(59,130,246,0.1); color: var(--primary); }
.pj-hero__cat--c-end { background: rgba(139,92,246,0.1); color: var(--purple); }
.pj-hero__title {
  font-size: clamp(40px, 6vw, 80px);
  font-weight: 700; letter-spacing: -0.03em;
  margin-bottom: 16px;
}
.pj-hero__sub {
  font-size: clamp(17px, 2vw, 22px);
  color: var(--ink-3);
  font-weight: 300;
}

.pj-meta {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px;
  padding: 0 5vw 60px;
  max-width: 1400px; margin: 0 auto;
}
.pj-meta__item {
  background: var(--card);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow-sm);
}
.pj-meta__item span {
  display: block; font-size: 12px; letter-spacing: 0.06em;
  text-transform: uppercase; color: var(--ink-4);
  margin-bottom: 8px;
}
.pj-meta__item p { font-size: 15px; color: var(--ink); font-weight: 500; }

.pj-cover {
  padding: 0 5vw 80px;
  max-width: 1400px; margin: 0 auto;
}
.pj-cover__frame {
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 16/9;
  box-shadow: var(--shadow-md);
}

.pj-section {
  padding: 0 5vw 60px;
  max-width: 1080px; margin: 0 auto;
}
.pj-section__title {
  font-size: clamp(24px, 3vw, 36px);
  font-weight: 700; letter-spacing: -0.02em;
  margin-bottom: 24px;
  display: flex; align-items: baseline; gap: 12px;
}
.pj-section__title::before {
  content: attr(data-num);
  font-size: 14px; color: var(--primary); font-weight: 600;
}
.pj-section__body {
  font-size: 16px; color: var(--ink-2); line-height: 1.9;
  white-space: pre-line;
  max-width: 720px;
}

.pj-stats {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px;
  max-width: 860px;
}
.pj-stat {
  background: var(--card);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--shadow-sm);
  border-left: 4px solid var(--primary);
}
.pj-stat b {
  display: block;
  font-size: clamp(28px, 3vw, 40px); font-weight: 700;
  color: var(--ink); letter-spacing: -0.02em;
  margin-bottom: 4px;
}
.pj-stat span { font-size: 14px; color: var(--ink-3); }

.pj-image {
  border-radius: var(--radius-lg); overflow: hidden;
  aspect-ratio: 16/9;
  position: relative;
  box-shadow: var(--shadow-md);
  max-width: 100%;
}
.pj-image figcaption {
  position: absolute; left: 24px; bottom: 20px;
  font-size: 13px; color: var(--ink-2);
  background: rgba(255,255,255,0.9); backdrop-filter: blur(8px);
  padding: 8px 16px; border-radius: 100px;
  box-shadow: var(--shadow-sm);
}
.pj-image img { display: block; width: 100%; height: 100%; object-fit: cover; }

/* 项目内页多图画廊 */
.pj-gallery { display: grid; gap: 30px; }
.pj-gallery__item {
  position: relative; margin: 0;
  border-radius: var(--radius-lg); overflow: hidden;
  background: #0b1220;
  box-shadow: var(--shadow-md);
  transition: box-shadow 0.5s var(--ease);
}
.pj-gallery__item img {
  display: block; width: 100%; height: auto;
  transition: transform 0.9s var(--ease);
}
.pj-gallery__item:hover { box-shadow: var(--shadow-lg); }
.pj-gallery__item:hover img { transform: scale(1.012); }
.pj-gallery__item figcaption {
  position: absolute; left: 20px; bottom: 18px; right: 20px;
  font-size: 13px; color: var(--ink-2);
  background: rgba(255,255,255,0.92); backdrop-filter: blur(8px);
  padding: 9px 18px; border-radius: 100px;
  box-shadow: var(--shadow-sm);
  width: fit-content; max-width: calc(100% - 40px);
}
.pj-gallery__idx {
  position: absolute; left: 18px; top: 16px; z-index: 2;
  font-size: 11px; letter-spacing: 0.08em; font-variant-numeric: tabular-nums;
  color: rgba(255,255,255,0.92);
  background: rgba(15,23,42,0.55); backdrop-filter: blur(6px);
  padding: 4px 11px; border-radius: 100px;
}

/* ---- 手机样机横向胶片 ---- */
.phones { position: relative; margin-top: 8px; }
.phones__strip {
  display: flex; gap: 28px;
  overflow-x: auto; overflow-y: hidden;
  padding: 8px 4px 26px;
  scroll-snap-type: x mandatory;
  scrollbar-width: thin;
  cursor: grab;
}
.phones__strip::-webkit-scrollbar { height: 4px; }
.phones__strip::-webkit-scrollbar-thumb { background: var(--line-2, #cbd5e1); border-radius: 10px; }
.phone {
  flex: 0 0 auto; width: 236px; margin: 0;
  scroll-snap-align: start;
}
.phone__frame {
  position: relative;
  border-radius: 34px;
  padding: 9px;
  background: linear-gradient(160deg, #1e293b, #0f172a);
  box-shadow: 0 18px 40px -18px rgba(15,23,42,0.45), 0 2px 6px rgba(15,23,42,0.18);
  transition: transform 0.6s var(--ease), box-shadow 0.6s var(--ease);
}
.phone__frame::after {
  content: ""; position: absolute; inset: 9px;
  border-radius: 26px; pointer-events: none;
  box-shadow: inset 0 0 0 1px rgba(255,255,255,0.08);
}
.phone__notch {
  position: absolute; top: 15px; left: 50%; transform: translateX(-50%);
  width: 62px; height: 7px; border-radius: 100px;
  background: #0f172a; z-index: 3;
}
.phone__frame img {
  display: block; width: 100%; aspect-ratio: 1125 / 2436;
  object-fit: cover; object-position: top;
  border-radius: 26px; background: #f8fafc;
}
.phone:hover .phone__frame {
  transform: translateY(-8px);
  box-shadow: 0 28px 60px -20px rgba(15,23,42,0.5), 0 4px 10px rgba(15,23,42,0.2);
}
.phone figcaption {
  margin-top: 14px; font-size: 12px; color: var(--ink-3);
  display: flex; gap: 8px; align-items: baseline; line-height: 1.5;
}
.phone figcaption span {
  font-size: 10px; letter-spacing: 0.06em; color: var(--ink-4);
  font-variant-numeric: tabular-nums;
}
.phones__hint {
  font-size: 11px; letter-spacing: 0.12em; color: var(--ink-4);
  text-transform: uppercase; margin-top: 2px;
}

/* ---- 浏览器窗口 ---- */
.browsers {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 28px;
}
.browsers--one { grid-template-columns: 1fr; }
.browser {
  margin: 0; border-radius: 14px; overflow: hidden;
  background: var(--card);
  box-shadow: var(--shadow-md);
  transition: transform 0.5s var(--ease), box-shadow 0.5s var(--ease);
}
.browser:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.browser__bar {
  display: flex; align-items: center; gap: 6px;
  padding: 10px 14px;
  background: #f1f5f9;
  border-bottom: 1px solid rgba(15,23,42,0.06);
}
.browser__bar i {
  width: 9px; height: 9px; border-radius: 50%;
  background: #cbd5e1;
}
.browser__bar i:nth-child(1) { background: #fda4af; }
.browser__bar i:nth-child(2) { background: #fcd34d; }
.browser__bar i:nth-child(3) { background: #86efac; }
.browser__url {
  margin-left: 10px; flex: 1;
  font-size: 10.5px; color: var(--ink-4);
  background: #fff; border-radius: 100px; padding: 3px 12px;
  letter-spacing: 0.02em;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.browser__view { aspect-ratio: 16 / 9; overflow: hidden; background: #0f172a; }
.browser__view img {
  display: block; width: 100%; height: 100%; object-fit: cover;
  transition: transform 0.9s var(--ease);
}
.browser:hover .browser__view img { transform: scale(1.02); }
.browser figcaption {
  font-size: 12.5px; color: var(--ink-3);
  padding: 12px 16px 14px; line-height: 1.6;
}

/* ---- 整版展示板 ---- */
.plates { display: grid; gap: 56px; }
.plate {
  position: relative; margin: 0;
  border-radius: 18px; overflow: hidden;
  background: #fff;
  box-shadow: 0 2px 8px rgba(15,23,42,0.05), 0 24px 60px -28px rgba(15,23,42,0.22);
}
.plate img { display: block; width: 100%; height: auto; }
.plate__idx {
  position: absolute; left: 20px; top: 18px; z-index: 2;
  font-size: 11px; letter-spacing: 0.1em; font-variant-numeric: tabular-nums;
  color: var(--ink-3); background: rgba(255,255,255,0.86);
  backdrop-filter: blur(8px); padding: 4px 11px; border-radius: 100px;
}
.plate figcaption {
  padding: 16px 6px 0; font-size: 13px; color: var(--ink-3); line-height: 1.7;
}

/* ---- 长页网站（悬停整页滚动） ---- */
.scrollsite {
  position: relative; border-radius: 14px; overflow: hidden;
  background: var(--card); box-shadow: var(--shadow-md);
}
.scrollsite__bar {
  display: flex; align-items: center; gap: 6px;
  padding: 11px 16px; background: #f1f5f9;
  border-bottom: 1px solid rgba(15,23,42,0.06);
}
.scrollsite__bar i { width: 9px; height: 9px; border-radius: 50%; background: #cbd5e1; }
.scrollsite__bar i:nth-child(1) { background: #fda4af; }
.scrollsite__bar i:nth-child(2) { background: #fcd34d; }
.scrollsite__bar i:nth-child(3) { background: #86efac; }
.scrollsite__bar span {
  margin-left: 10px; font-size: 10.5px; color: var(--ink-4);
  background: #fff; border-radius: 100px; padding: 3px 12px;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.scrollsite__view {
  height: 640px; overflow: hidden; background: #f8fafc;
}
.scrollsite__view img {
  display: block; width: 100%; height: auto;
  transform: translateY(0);
  transition: transform 14s linear;
  will-change: transform;
}
.scrollsite:hover .scrollsite__view img {
  transform: translateY(calc(-100% + 640px));
}
.scrollsite__tip {
  position: absolute; right: 16px; bottom: 14px; z-index: 3;
  font-size: 11px; letter-spacing: 0.05em;
  color: #fff; background: rgba(15,23,42,0.62);
  backdrop-filter: blur(6px);
  padding: 6px 13px; border-radius: 100px;
  pointer-events: none;
}

.pj-next {
  display: block; text-decoration: none;
  padding: 60px 5vw;
  text-align: center;
  border-top: 1px solid var(--line);
  margin-top: 40px;
}
.pj-next span {
  font-size: 13px; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--ink-4);
}
.pj-next h3 {
  font-size: clamp(28px, 4vw, 52px); font-weight: 700;
  color: var(--ink); letter-spacing: -0.02em;
  margin-top: 12px;
  transition: color 0.3s;
}
.pj-next:hover h3 { color: var(--primary); }

/* ---------------- 占位视觉 ---------------- */
.ph {
  width: 100%; height: 100%;
  display: grid; place-items: center;
  position: relative; overflow: hidden;
}
.ph::after {
  content: ""; position: absolute; inset: 0;
  background-image: radial-gradient(rgba(0,0,0,0.04) 1px, transparent 1px);
  background-size: 20px 20px;
}
.ph__monogram {
  font-size: clamp(48px, 8vw, 96px);
  font-weight: 700;
  opacity: 0.3;
}

/* ---------------- 滚动进入 ---------------- */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.8s var(--ease), transform 0.8s var(--ease);
}
.reveal.in { opacity: 1; transform: none; }

/* ---------------- 趣味交互 ---------------- */
@media (pointer: fine) {
  body, a, button, .filter { cursor: none; }
}
.fx-canvas {
  position: fixed; inset: 0;
  width: 100vw; height: 100vh;
  pointer-events: none;
  z-index: 9998;
}
.cursor-dot, .cursor-ring {
  position: fixed; top: 0; left: 0;
  pointer-events: none; z-index: 9999;
  border-radius: 50%;
}
.cursor-dot {
  width: 6px; height: 6px;
  background: var(--primary);
  margin: -3px 0 0 -3px;
  transition: opacity 0.2s;
}
.cursor-dot.is-hidden { opacity: 0; }
.cursor-ring {
  width: 34px; height: 34px;
  border: 1.5px solid rgba(59,130,246,0.55);
  margin: -17px 0 0 -17px;
  display: grid; place-items: center;
  transition: width 0.3s var(--ease), height 0.3s var(--ease),
              margin 0.3s var(--ease), border-radius 0.3s var(--ease),
              border-color 0.3s, background-color 0.3s;
}
.cursor-ring span {
  font-size: 11px; font-weight: 700; letter-spacing: 0.12em;
  color: var(--primary);
  opacity: 0;
  transform: scale(0.6);
  transition: opacity 0.25s, transform 0.3s var(--ease);
}
/* 内容态：划过故事卡/能力卡等内容区 → 圆角方框 */
.cursor-ring.is-content {
  width: 48px; height: 48px;
  margin: -24px 0 0 -24px;
  border-radius: 12px;
  border-color: rgba(139,92,246,0.7);
  background: rgba(139,92,246,0.07);
}
/* 链接态：划过按钮/链接 → 放大实心 */
.cursor-ring.is-link {
  width: 56px; height: 56px;
  margin: -28px 0 0 -28px;
  border-color: rgba(59,130,246,0.9);
  background: rgba(59,130,246,0.1);
}
/* VIEW 态：划过作品卡片 → 大圆盘 + 文字 */
.cursor-ring.is-view {
  width: 72px; height: 72px;
  margin: -36px 0 0 -36px;
  border-color: var(--primary);
  background: rgba(59,130,246,0.92);
}
.cursor-ring.is-view span {
  opacity: 1;
  transform: scale(1);
  color: #fff;
}

/* ---------------- 响应式 ---------------- */
/* 平板横屏 */
@media (max-width: 1200px) {
  .hero { grid-template-columns: 1.1fr 1fr; gap: 40px; }
  .hero__title { font-size: clamp(34px, 4.5vw, 58px); }
  .section { padding: 80px 5vw; }
}

/* 平板竖屏 */
@media (max-width: 1024px) {
  .hero { grid-template-columns: 1fr; gap: 48px; min-height: auto; padding: 140px 5vw 72px; }
  .hero__right { max-width: 560px; }
  .featured-card { grid-template-columns: 1fr; }
  .featured-card__cover { aspect-ratio: 16/9; }
  .featured-card--reverse .featured-card__cover { order: 0; }
  .gallery__grid { grid-template-columns: repeat(2, 1fr); }
  .screens__grid { grid-template-columns: repeat(2, 1fr); }
  .about__skills { grid-template-columns: repeat(3, 1fr); }
  .pj-hero { padding: 120px 5vw 56px; }
}

/* 大手机 / 小平板 */
@media (max-width: 768px) {
  .nav { padding: 14px 5vw; }
  .nav__link { font-size: 13px; }
  .nav__links { gap: 18px; }
  .nav__link--cta { padding: 8px 14px; }
  .nav__link:not(.nav__link--cta):nth-child(2) { display: none; } /* 隐藏"项目"减少拥挤 */

  .hero { padding: 110px 5vw 56px; gap: 40px; }
  .hero__title { font-size: clamp(30px, 8vw, 44px); margin: 16px 0 18px; }
  .hero__tags { gap: 8px; }
  .hero__tag { padding: 5px 12px; font-size: 12px; }
  .hero__typewriter { padding: 12px 14px; margin-bottom: 18px; }
  .tw-label { font-size: 12px; }
  .tw-text { font-size: 13px; }
  .hero__desc { font-size: 14.5px; margin-bottom: 24px; }
  .hero__stats { gap: 20px 28px; flex-wrap: wrap; }
  .stat__num { font-size: 34px; }
  .stat__label { font-size: 12px; }
  .hero__chip--1 { left: 0; }
  .hero__chip--2 { right: 0; }

  .marquee { padding: 12px 0; }
  .marquee__track span { font-size: 13px; padding: 0 16px; }

  .section { padding: 60px 5vw; }
  .section__head { margin-bottom: 32px; }
  .section__title { font-size: 24px; margin-bottom: 12px; }
  .section__intro { font-size: 14px; }

  .featured-card__body { padding: 28px 24px; }
  .featured-card__num { width: 44px; height: 44px; font-size: 16px; }
  .featured-card__title { font-size: 22px; margin: 14px 0 10px; }
  .featured-card__desc { font-size: 14px; margin-bottom: 16px; }
  .featured-card__meta { gap: 8px 20px; }
  .featured-card__meta dt { font-size: 11px; }
  .featured-card__meta dd { font-size: 13px; }

  .story { grid-template-columns: 1fr; gap: 24px; padding: 28px 22px; }
  .story__quote { font-size: 19px; border-left-width: 3px; padding-left: 16px; }
  .story__body p { font-size: 14.5px; margin-bottom: 14px; }
  .story__punchline { padding-top: 16px; font-size: 15px; }
  .gallery__grid { grid-template-columns: 1fr; }
  .screens__grid { grid-template-columns: 1fr; }

  .filters { gap: 8px; margin: 0 0 24px; }
  .filter-btn { padding: 7px 14px; font-size: 13px; }
  .work-card__body { padding: 16px; }
  .work-card__title { font-size: 16px; }

  .about__grid { grid-template-columns: 1fr; gap: 28px; }
  .about__skills { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .skill-card { padding: 20px; }
  .ai-strip { flex-direction: column; gap: 12px; padding: 20px; }
  .ai-strip__badge { align-self: flex-start; }

  .contact__email { font-size: clamp(22px, 6vw, 36px); }
  .beliefs { min-height: 110px; padding: 0 24px; }

  /* 详情页 */
  .pj-hero { padding: 100px 5vw 40px; }
  .pj-title { font-size: clamp(28px, 7vw, 42px); }
  .pj-meta { grid-template-columns: repeat(2, 1fr); gap: 20px 16px; padding: 24px; }
  .pj-stats { grid-template-columns: 1fr; gap: 16px; }
  .pj-stat { padding: 18px; }
  .pj-section { padding: 0 5vw 40px; }
  .pj-section__grid { grid-template-columns: 1fr; gap: 20px; }
  .pj-prose { font-size: 15px; }
  .pj-gallery { gap: 20px; }
  .pj-gallery__item figcaption {
    position: static; width: auto; max-width: none;
    background: none; box-shadow: none; backdrop-filter: none;
    padding: 12px 2px 0; border-radius: 0;
    font-size: 12.5px; color: var(--ink-3);
  }
  .pj-gallery__idx { top: 10px; left: 10px; padding: 3px 9px; font-size: 10px; }
  .browsers { grid-template-columns: 1fr; gap: 20px; }
  .plates { gap: 34px; }
  .plate figcaption { font-size: 12.5px; padding-top: 12px; }
  .phone { width: 188px; }
  .phones__strip { gap: 18px; padding-bottom: 18px; }
  .scrollsite__view { height: 440px; }
  .scrollsite:hover .scrollsite__view img { transform: translateY(calc(-100% + 440px)); }
  .scrollsite__tip { right: 10px; bottom: 10px; font-size: 10px; padding: 5px 10px; }
  .pj-next__label { padding: 0 5vw; }
  .pj-next__title { font-size: clamp(24px, 6vw, 38px); }
}

/* 手机 */
@media (max-width: 560px) {
  .nav__logo { font-size: 16px; }
  .nav__links { gap: 14px; }
  .nav__link:not(.nav__link--cta) { display: none; } /* 只留 CTA 按钮 */

  .hero { padding: 100px 6vw 48px; }
  .hero__title { font-size: clamp(28px, 9vw, 38px); }
  .hero__stats { gap: 16px 24px; }
  .stat__num { font-size: 28px; }

  .section { padding: 48px 6vw; }
  .section__title { font-size: 22px; }

  .featured-card__body { padding: 24px 20px; }
  .featured-card__title { font-size: 20px; }
  .featured-card__meta { grid-template-columns: 1fr 1fr; display: grid; }

  .story { padding: 24px 18px; }
  .story__quote { font-size: 17px; }
  .story__link { margin-top: 18px; padding-top: 14px; font-size: 14px; }

  .about__skills { grid-template-columns: 1fr; }
  .info-card dl { grid-template-columns: 1fr; gap: 4px; }
  .info-card dt { margin-top: 10px; }

  .contact__email { font-size: clamp(20px, 7vw, 30px); word-break: break-all; }
  .beliefs { min-height: 130px; }
  .belief-item { font-size: 15px; }

  .footer { flex-direction: column; gap: 10px; text-align: center; padding: 24px 6vw; }

  .pj-meta { grid-template-columns: 1fr; }
  .pj-section__grid--gallery { grid-template-columns: 1fr; }
}

/* 小屏手机 */
@media (max-width: 380px) {
  .hero__title { font-size: 26px; }
  .stat__num { font-size: 24px; }
  .section__title { font-size: 20px; }
  .featured-card__title { font-size: 18px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .reveal { opacity: 1; transform: none; }
  .hero__title .line em { transform: none; }
}

/* ============================================================
   首页 · 目录索引风（2024 改版）
   ============================================================ */
.hero__ghost {
  position: absolute; right: 3vw; bottom: -6px;
  font-size: clamp(90px, 15vw, 210px);
  font-weight: 800; letter-spacing: -0.045em; line-height: 0.8;
  color: rgba(15, 23, 42, 0.035);
  pointer-events: none; user-select: none;
  white-space: nowrap; z-index: 0;
}
.hero > *:not(.hero__ghost) { position: relative; z-index: 1; }
.hero__intro { margin-bottom: 32px; }

/* 目录 */
.catalog {
  padding: 32px 5vw 48px;
  max-width: 1400px; margin: 0 auto;
  position: relative;
}
.catalog__head {
  position: relative;
  padding-top: 36px;
  border-top: 1px solid var(--line);
}
.catalog__title {
  font-size: clamp(26px, 3vw, 38px);
  font-weight: 700; letter-spacing: -0.02em;
  display: inline-flex; align-items: flex-start; gap: 8px;
}
.catalog__dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--primary); display: inline-block; margin-top: 10px;
  animation: pulse 2.4s infinite;
}
.catalog__en {
  font-size: 11px; letter-spacing: 0.24em;
  color: var(--ink-4); margin-top: 8px;
}
.catalog__desc {
  font-size: 14px; color: var(--ink-3);
  margin-top: 16px; max-width: 520px;
}
.catalog__list { margin-top: 52px; }
.cat-group { margin-bottom: 56px; }
.cat-group__head {
  display: flex; align-items: baseline; gap: 14px;
  padding-bottom: 14px; border-bottom: 1px solid var(--ink);
}
.cat-group__no {
  font-size: 11px; letter-spacing: 0.12em; color: var(--primary);
  font-variant-numeric: tabular-nums;
}
.cat-group__label {
  font-size: clamp(17px, 1.8vw, 23px);
  font-weight: 700; letter-spacing: -0.01em;
}
.cat-group__en {
  font-size: 10px; letter-spacing: 0.18em; color: var(--ink-4);
  text-transform: uppercase;
}
.cat-group__count {
  margin-left: auto; font-size: 11.5px; color: var(--ink-4);
}
.cat-group__note {
  font-size: 13.5px; color: var(--ink-3);
  margin-top: 18px; padding-left: 6px;
  border-left: 2px solid rgba(59,130,246,0.25);
  padding-left: 16px; max-width: 760px; line-height: 1.8;
}
.cat-list { list-style: none; }
.cat-row {
  display: grid;
  grid-template-columns: 52px 1.05fr 1.55fr auto 34px;
  align-items: center; gap: 22px;
  padding: 17px 10px;
  border-bottom: 1px solid var(--line);
  text-decoration: none; color: inherit;
  transition: background 0.35s var(--ease), padding-left 0.35s var(--ease);
}
.cat-row:hover {
  background: #fff;
  padding-left: 20px;
  box-shadow: 0 -1px 0 var(--line);
}
.cat-row__no {
  font-size: 11.5px; color: var(--ink-4);
  font-variant-numeric: tabular-nums; letter-spacing: 0.06em;
}
.cat-row__title {
  font-size: clamp(16px, 1.5vw, 20px);
  font-weight: 600; letter-spacing: -0.01em;
}
.cat-row__sub {
  font-size: 13px; color: var(--ink-3);
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.cat-row__meta { font-size: 12px; color: var(--ink-4); white-space: nowrap; }
.cat-row__go {
  font-size: 16px; color: var(--ink-4); text-align: right;
  transition: transform 0.35s var(--ease), color 0.35s;
}
.cat-row:hover .cat-row__go { color: var(--primary); transform: translate(3px, -3px); }

.cat-preview {
  position: fixed; top: 0; left: 0;
  width: 300px; height: 200px;
  border-radius: 14px;
  background-size: cover; background-position: center;
  box-shadow: var(--shadow-lg);
  opacity: 0; pointer-events: none; z-index: 60;
  transition: opacity 0.25s var(--ease);
  will-change: transform;
}
.cat-preview.is-on { opacity: 1; }

/* 关于 */
.about { padding: 72px 5vw 32px; max-width: 1400px; margin: 0 auto; }
.about__head { border-top: 1px solid var(--line); padding-top: 36px; margin-bottom: 40px; }
.about__grid { align-items: stretch; }

/* 设计板 · 图文分栏变体 */
.plates--split { gap: 74px; }
.plate--split {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 44px; align-items: center;
  background: none; box-shadow: none; border-radius: 0;
  overflow: visible;
}
.plate__media {
  border-radius: 18px; overflow: hidden;
  box-shadow: 0 2px 8px rgba(15,23,42,0.05), 0 28px 60px -30px rgba(15,23,42,0.22);
}
.plate__media img { display: block; width: 100%; height: auto; }
.plate__side { padding-right: 8px; }
.plate__side .plate__idx {
  position: static; display: inline-block;
  background: rgba(15,23,42,0.05); color: var(--ink-3);
  padding: 3px 11px; border-radius: 100px;
  font-size: 10.5px; letter-spacing: 0.12em;
  margin-bottom: 16px;
}
.plate__side p { font-size: 15px; line-height: 1.9; color: var(--ink-2); }
.plate--split figcaption { padding: 0; }

@media (max-width: 1200px) {
  .cat-row { grid-template-columns: 46px 1fr 1.2fr auto 30px; gap: 18px; }
}
@media (max-width: 1024px) {
  .hero__ghost { display: none; }
  .cat-row__sub { white-space: normal; }
  .plate--split { grid-template-columns: 1.3fr 1fr; gap: 32px; }
}
@media (max-width: 768px) {
  .catalog { padding: 24px 5vw 32px; }
  .catalog__list { margin-top: 36px; }
  .cat-group { margin-bottom: 40px; }
  .cat-group__en { display: none; }
  .cat-group__count { font-size: 11px; }
  .cat-row {
    grid-template-columns: 34px 1fr auto;
    gap: 12px; padding: 15px 4px;
  }
  .cat-row__sub, .cat-row__meta { display: none; }
  .cat-row__title { font-size: 16px; }
  .cat-row:hover { padding-left: 4px; }
  .cat-preview { display: none; }
  .about { padding: 56px 5vw 24px; }
  .plate--split { grid-template-columns: 1fr; gap: 18px; }
  .plate__side { padding: 0 2px; }
  .plate__side p { font-size: 13.5px; }
  .plates--split { gap: 46px; }
}