/* ============================================================
   恒奇三讯 · 官网样式（手绘人味风）
   横线笔记本底纹 + 手绘边框 + 歪一点的不规则卡片 + 贴纸按钮
   ============================================================ */

:root {
  --paper: #fff9ef;
  --card: #ffffff;
  --ink: #3d3229;
  --muted: #7a6a5c;
  --blue: #2f6bff;
  --blue-crayon: #6aa9ff;
  --blue-soft: #dbe9ff;
  --red: #ff5c7a;
  --red-soft: #ffd9e8;
  --green: #22c58b;
  --green-soft: #d7f0d0;
  --yellow: #ffd166;
  --yellow-soft: #ffedc9;
  --orange: #f4a259;
  --purple: #8b5cf6;
  --purple-soft: #ece4ff;
  --line: rgba(61, 50, 41, 0.55);
  --shadow-hand: 5px 5px 0 rgba(61, 50, 41, 0.16);
  --shadow-pop: 4px 4px 0 var(--ink);
  --font-body: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-mono: "SF Mono", "JetBrains Mono", Consolas, monospace;
  --max-w: 1180px;
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--paper);
  line-height: 1.8;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

::selection { background: var(--yellow); color: var(--ink); }

a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
img { max-width: 100%; display: block; }

.wrap { max-width: var(--max-w); margin: 0 auto; padding: 0 28px; }

/* 笔记本横线底纹 */
.lined {
  background:
    repeating-linear-gradient(transparent 0 35px, rgba(106, 169, 255, 0.16) 35px 36px),
    var(--paper);
}

/* ---------- 顶部导航（贴纸胶囊） ---------- */
.site-header {
  position: fixed;
  top: 16px; left: 0; right: 0;
  z-index: 100;
  padding: 0 20px;
}
.nav {
  max-width: var(--max-w);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 66px;
  padding: 10px 16px 10px 20px;
  background: var(--card);
  border: 2.5px solid var(--ink);
  border-radius: 26px 12px 26px 12px;
  box-shadow: var(--shadow-hand);
  transform: rotate(-0.3deg);
}
.brand { display: flex; align-items: center; gap: 11px; }
.brand-badge { width: 40px; height: 40px; flex-shrink: 0; display: block; transform: rotate(-3deg); transition: transform 0.3s var(--ease-spring); }
.brand:hover .brand-badge { transform: rotate(6deg) scale(1.06); }
.brand-text { display: flex; flex-direction: column; line-height: 1.2; }
.brand-name { font-weight: 900; font-size: 19px; letter-spacing: 1px; }
.brand-en { font-family: var(--font-mono); font-size: 9.5px; color: var(--muted); letter-spacing: 2px; margin-top: 2px; }

.nav-links { display: flex; align-items: center; gap: 4px; }
.nav-links a {
  font-size: 15px;
  font-weight: 600;
  padding: 8px 16px;
  border: 2px solid transparent;
  border-radius: 14px 6px 14px 6px;
  color: var(--muted);
  transition: all 0.25s;
}
.nav-links a:hover {
  color: var(--ink);
  border-bottom-color: var(--ink);
  border-bottom-style: dashed;
  border-bottom-width: 2px;
}
.nav-links a.active {
  color: var(--ink);
  background: var(--red-soft);
  border: 2px solid var(--ink);
  transform: rotate(-1.5deg);
}
.nav-cta {
  background: var(--yellow) !important;
  color: var(--ink) !important;
  border: 2.5px solid var(--ink) !important;
  box-shadow: 3px 3px 0 var(--ink);
  font-weight: 900 !important;
  margin-left: 8px;
  transform: rotate(1deg);
}
.nav-cta:hover { transform: rotate(0deg) translate(-1px, -1px) !important; box-shadow: 4px 4px 0 var(--ink); }
.nav-cta:hover { border-bottom-style: solid !important; }

.nav-toggle {
  display: none;
  background: none; border: none; cursor: pointer;
  width: 42px; height: 42px;
}
.nav-toggle span { display: block; width: 22px; height: 3px; border-radius: 2px; background: var(--ink); margin: 5px auto; transition: all 0.3s; }

/* ---------- 首屏 Hero ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex; align-items: center;
  padding: 150px 0 90px;
  overflow: hidden;
}
.hero-inner { position: relative; display: grid; grid-template-columns: 1.5fr 1fr; gap: 56px; align-items: center; z-index: 2; }

.spark { position: absolute; font-size: 30px; pointer-events: none; user-select: none; animation: floaty 4s ease-in-out infinite; z-index: 1; }
.sp1 { top: 16%; right: 10%; color: var(--orange); transform: rotate(15deg); }
.sp2 { top: 58%; right: 4%; color: var(--blue-crayon); font-size: 22px; animation-delay: -1.5s; }
.sp3 { bottom: 12%; left: 42%; color: var(--red); font-size: 24px; animation-delay: -2.5s; }
@keyframes floaty { 0%,100% { translate: 0 0; } 50% { translate: 0 -10px; } }

.hero-eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  background: var(--card);
  border: 2.5px solid var(--ink);
  border-radius: 999px;
  padding: 8px 20px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 2px;
  color: var(--ink);
  transform: rotate(-1.2deg);
  box-shadow: 3px 3px 0 rgba(61, 50, 41, 0.15);
  margin-bottom: 30px;
}
.hero-eyebrow .dot { width: 9px; height: 9px; border-radius: 50%; background: var(--green); border: 1.5px solid var(--ink); }

.hero h1 {
  font-size: clamp(38px, 5.4vw, 62px);
  font-weight: 900;
  line-height: 1.35;
  letter-spacing: 1px;
}
.hero h1 .hl {
  background: linear-gradient(transparent 58%, var(--yellow) 58%, var(--yellow) 94%, transparent 94%);
  padding: 0 4px;
}
.hero h1 .scrib { position: relative; white-space: nowrap; display: inline-block; }
.hero h1 .scrib svg { position: absolute; left: -2%; bottom: -6px; width: 104%; height: 14px; }
.hero-sub { margin: 26px 0 38px; font-size: 17px; color: var(--muted); max-width: 520px; }
.hero-actions { display: flex; gap: 18px; flex-wrap: wrap; }

.btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 15px 34px;
  font-size: 15.5px;
  font-weight: 900;
  letter-spacing: 1px;
  border: 2.5px solid var(--ink);
  border-radius: 18px 8px 18px 8px;
  cursor: pointer;
  font-family: var(--font-body);
  box-shadow: var(--shadow-pop);
  transition: all 0.15s;
}
.btn svg { transition: transform 0.3s var(--ease-out); }
.btn:hover svg { transform: translateX(5px); }
.btn-primary { background: var(--orange); color: var(--ink); transform: rotate(-0.8deg); }
.btn-ghost { background: var(--card); color: var(--ink); transform: rotate(0.6deg); }
.btn:hover { transform: rotate(0deg) translate(-2px, -2px); box-shadow: 6px 6px 0 var(--ink); }
.btn:active { transform: translate(3px, 3px); box-shadow: 1px 1px 0 var(--ink); }

/* hero 档案卡（便利贴） */
.hero-card {
  background: var(--card);
  border: 2.5px solid var(--ink);
  border-radius: 20px 10px 20px 10px;
  padding: 32px 28px;
  box-shadow: var(--shadow-hand);
  transform: rotate(1.2deg);
}
.hero-card dl { display: grid; grid-template-columns: auto 1fr; gap: 13px 16px; font-size: 14.5px; }
.hero-card dt {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 1px;
  color: var(--blue);
  white-space: nowrap;
  padding-top: 4px;
  font-weight: 700;
}
.hero-card dd { color: var(--muted); border-bottom: 2px dashed rgba(61, 50, 41, 0.25); padding-bottom: 11px; font-weight: 500; }
.hero-card dd:last-child { border-bottom: none; padding-bottom: 0; }

.scroll-hint {
  position: absolute; bottom: 28px; left: 50%; transform: translateX(-50%);
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 3px; color: var(--muted);
  display: flex; flex-direction: column; align-items: center; gap: 8px; z-index: 2;
}
.scroll-hint::after {
  content: "↓"; font-size: 18px; color: var(--orange);
  animation: drip 1.6s infinite;
}
@keyframes drip { 0% { transform: translateY(-4px); opacity: 0; } 40% { opacity: 1; } 100% { transform: translateY(8px); opacity: 0; } }

/* ---------- 跑马灯 ---------- */
.marquee {
  background: var(--card);
  border-top: 2.5px dashed var(--line);
  border-bottom: 2.5px dashed var(--line);
  overflow: hidden;
  padding: 18px 0;
  transform: rotate(-0.4deg) scale(1.01);
}
.marquee-track {
  display: flex; gap: 44px;
  width: max-content;
  animation: scroll 26s linear infinite;
  font-size: 19px; font-weight: 900; letter-spacing: 3px;
  white-space: nowrap;
}
.marquee-track span { display: inline-flex; align-items: center; gap: 44px; }
.marquee-track .c-blue { color: var(--blue); }
.marquee-track .c-red { color: var(--red); }
.marquee-track .c-green { color: var(--green); }
.marquee-track .c-yellow { color: #d99a12; }
.marquee-track .c-purple { color: var(--purple); }
.marquee-track i { font-style: normal; font-size: 13px; color: var(--ink); }
@keyframes scroll { to { transform: translateX(-50%); } }

/* ---------- 通用节 ---------- */
.section { padding: 100px 0; }
.section-alt { background: var(--card); border-top: 2.5px dashed rgba(61, 50, 41, 0.25); border-bottom: 2.5px dashed rgba(61, 50, 41, 0.25); }

.sec-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 30px; margin-bottom: 56px; }
.sec-no {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 2px;
  font-weight: 700;
  padding: 6px 16px;
  margin-bottom: 18px;
  background: var(--blue-soft);
  color: var(--blue);
  border: 2px solid var(--ink);
  border-radius: 12px 5px 12px 5px;
  transform: rotate(-1.5deg);
}
.sec-no.n-red { background: var(--red-soft); color: var(--red); transform: rotate(1.2deg); }
.sec-no.n-green { background: var(--green-soft); color: var(--green); transform: rotate(-1deg); }
.sec-title { font-size: clamp(30px, 3.6vw, 44px); font-weight: 900; line-height: 1.35; letter-spacing: 1px; }
.sec-desc { max-width: 400px; color: var(--muted); font-size: 15px; }

/* ---------- 业务卡片（歪着的卡片） ---------- */
.biz-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}
.biz-card {
  position: relative;
  background: var(--card);
  border: 2.5px solid var(--ink);
  border-radius: 22px 10px 22px 10px;
  padding: 40px 34px 44px;
  box-shadow: var(--shadow-hand);
  transition: all 0.3s var(--ease-spring);
}
.biz-grid .biz-card:nth-child(1) { transform: rotate(-1.1deg); }
.biz-grid .biz-card:nth-child(2) { transform: rotate(0.9deg); }
.biz-card.wide { grid-column: 1 / -1; transform: rotate(-0.4deg); }
.biz-card:hover { transform: rotate(0deg) translateY(-8px); box-shadow: 7px 9px 0 rgba(61, 50, 41, 0.18); }
.biz-num {
  position: absolute; top: 20px; right: 24px;
  font-family: var(--font-mono);
  font-size: 14px; font-weight: 700;
  padding: 3px 14px;
  border: 2px solid var(--ink);
  border-radius: 999px;
  transform: rotate(4deg);
  background: var(--card);
}
.c-blue .biz-num { color: var(--blue); }
.c-red .biz-num { color: var(--red); transform: rotate(-4deg); }
.c-green .biz-num { color: var(--green); }

.biz-icon {
  width: 64px; height: 64px;
  border-radius: 50%;
  border: 2.5px solid var(--ink);
  display: flex; align-items: center; justify-content: center;
  font-size: 30px;
  margin-bottom: 24px;
  transition: transform 0.3s var(--ease-spring);
}
.biz-card:hover .biz-icon { transform: rotate(-10deg) scale(1.1); }
.c-blue .biz-icon { background: var(--blue-soft); }
.c-red .biz-icon { background: var(--red-soft); }
.c-green .biz-icon { background: var(--green-soft); }

.biz-card h3 { font-size: 24px; font-weight: 900; margin-bottom: 4px; letter-spacing: 1px; }
.biz-card .biz-en { font-family: var(--font-mono); font-size: 11px; letter-spacing: 2px; color: var(--muted); text-transform: uppercase; }
.biz-card p { margin: 16px 0 20px; font-size: 14.5px; color: var(--muted); }
.biz-tags { display: flex; flex-wrap: wrap; gap: 9px; }
.biz-tags li {
  font-size: 12.5px; font-weight: 700;
  padding: 4px 14px;
  border: 2px solid var(--ink);
  border-radius: 999px;
  background: var(--card);
}
.c-blue .biz-tags li { color: var(--blue); transform: rotate(-1deg); }
.c-red .biz-tags li { color: var(--red); transform: rotate(1deg); }
.c-green .biz-tags li { color: var(--green); }
.biz-more {
  display: inline-flex; align-items: center; gap: 8px;
  margin-top: 24px;
  font-size: 14.5px; font-weight: 900;
  letter-spacing: 1px;
  border-bottom: 2.5px dashed currentColor;
  padding-bottom: 2px;
}
.c-blue .biz-more { color: var(--blue); }
.c-red .biz-more { color: var(--red); }
.c-green .biz-more { color: var(--green); }
.biz-more svg { transition: transform 0.3s var(--ease-out); }
.biz-card:hover .biz-more svg { transform: translateX(5px); }

/* ---------- 数据 ---------- */
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.stat {
  background: var(--paper);
  border: 2.5px solid var(--ink);
  border-radius: 20px 10px 20px 10px;
  padding: 38px 22px;
  text-align: center;
  box-shadow: var(--shadow-hand);
  transition: all 0.3s var(--ease-spring);
}
.stats-grid .stat:nth-child(1) { transform: rotate(-1deg); }
.stats-grid .stat:nth-child(2) { transform: rotate(0.8deg); }
.stats-grid .stat:nth-child(3) { transform: rotate(-0.7deg); }
.stats-grid .stat:nth-child(4) { transform: rotate(1.1deg); }
.stat:hover { transform: rotate(0) translateY(-6px); }
.stat-num { font-size: clamp(34px, 4vw, 48px); font-weight: 900; line-height: 1.1; }
.stat:nth-child(1) .stat-num { color: var(--blue); }
.stat:nth-child(2) .stat-num { color: var(--red); }
.stat:nth-child(3) .stat-num { color: var(--green); }
.stat:nth-child(4) .stat-num { color: #d99a12; }
.stat-num i { font-style: normal; font-size: 0.62em; }
.stat-label { margin-top: 10px; font-size: 13.5px; color: var(--muted); letter-spacing: 2px; font-weight: 600; }

/* ---------- 流程 ---------- */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.step {
  background: var(--card);
  border: 2.5px solid var(--ink);
  border-radius: 20px 10px 20px 10px;
  padding: 28px 24px;
  box-shadow: var(--shadow-hand);
  transition: all 0.3s var(--ease-spring);
}
.step:hover { transform: translateY(-6px) rotate(-0.5deg); }
.step-no {
  width: 46px; height: 46px;
  border-radius: 50%;
  border: 2.5px solid var(--ink);
  display: flex; align-items: center; justify-content: center;
  font-weight: 900; font-size: 18px;
  margin-bottom: 20px;
  box-shadow: 2.5px 2.5px 0 rgba(61, 50, 41, 0.2);
}
.step:nth-child(1) .step-no { background: var(--blue-soft); color: var(--blue); }
.step:nth-child(2) .step-no { background: var(--red-soft); color: var(--red); }
.step:nth-child(3) .step-no { background: var(--green-soft); color: var(--green); }
.step:nth-child(4) .step-no { background: var(--yellow-soft); color: #d99a12; }
.step h4 { font-size: 18px; font-weight: 900; margin-bottom: 8px; }
.step p { font-size: 13.5px; color: var(--muted); }

/* ---------- CTA 横幅（手绘大色块） ---------- */
.cta-band {
  position: relative;
  background: var(--yellow);
  border-top: 2.5px solid var(--ink);
  border-bottom: 2.5px solid var(--ink);
  padding: 80px 0;
  overflow: hidden;
}
.cta-band::before {
  content: "✳";
  position: absolute;
  top: 18px; left: 6%;
  font-size: 44px; color: var(--ink);
  opacity: 0.5;
  transform: rotate(-12deg);
}
.cta-band::after {
  content: "★";
  position: absolute;
  bottom: 14px; right: 8%;
  font-size: 38px; color: var(--red);
  opacity: 0.6;
  transform: rotate(10deg);
}
.cta-inner { display: flex; align-items: center; justify-content: space-between; gap: 40px; flex-wrap: wrap; position: relative; }
.cta-inner h2 { font-size: clamp(28px, 3.6vw, 42px); font-weight: 900; line-height: 1.35; }
.cta-inner p { margin-top: 12px; font-size: 15.5px; color: rgba(61, 50, 41, 0.75); }
.btn-light {
  background: var(--card);
  color: var(--ink);
  padding: 16px 40px;
  transform: rotate(1deg);
}

/* ---------- 页脚 ---------- */
.site-footer { background: var(--ink); color: rgba(255, 249, 239, 0.75); }
.site-footer::before {
  content: "";
  display: block;
  height: 6px;
  background: repeating-linear-gradient(90deg,
    var(--blue-crayon) 0 60px, var(--green) 60px 120px,
    var(--yellow) 120px 180px, var(--red) 180px 240px, var(--purple) 240px 300px);
}
.footer-top {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1.3fr;
  gap: 48px;
  padding: 68px 0 48px;
}
.footer-brand .brand-badge { width: 48px; height: 48px; margin-bottom: 18px; transform: rotate(-4deg); }
.footer-brand .brand-name { color: var(--paper); font-size: 24px; font-weight: 900; letter-spacing: 2px; }
.footer-brand p { margin-top: 14px; font-size: 14px; max-width: 300px; line-height: 1.9; }
.footer-col h5 { color: var(--paper); font-size: 14px; letter-spacing: 3px; margin-bottom: 20px; font-weight: 700; }
.footer-col li { margin-bottom: 12px; font-size: 14px; }
.footer-col a { transition: all 0.25s; border-bottom: 2px dashed transparent; }
.footer-col a:hover { color: var(--yellow); border-bottom-color: var(--yellow); }
.footer-contact li { display: flex; gap: 10px; line-height: 1.8; }
.footer-contact li b { color: rgba(255, 249, 239, 0.45); font-weight: 600; white-space: nowrap; font-family: var(--font-mono); font-size: 11.5px; padding-top: 3px; }
.footer-bottom {
  display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap;
  padding: 22px 0;
  border-top: 2px dashed rgba(255, 249, 239, 0.2);
  font-size: 13px;
}
.footer-bottom .copyright { color: rgba(255, 249, 239, 0.55); }
.footer-bottom .icp { font-family: var(--font-mono); font-size: 12px; color: rgba(255, 249, 239, 0.40); }
.footer-bottom .icp a { color: inherit; border-bottom: 2px dashed rgba(255, 249, 239, 0.35); }
.footer-bottom .icp a:hover { color: var(--yellow); border-bottom-color: var(--yellow); }

/* ---------- 内页公共 ---------- */
.page-hero { position: relative; padding: 168px 0 76px; overflow: hidden; }
.crumbs { font-family: var(--font-mono); font-size: 12px; letter-spacing: 2px; color: var(--muted); }
.crumbs a { color: var(--blue); border-bottom: 2px dashed var(--blue-crayon); }
.crumbs i { font-style: normal; margin: 0 8px; color: var(--muted); }
.page-hero h1 { font-size: clamp(36px, 5vw, 56px); font-weight: 900; margin-top: 18px; letter-spacing: 1px; }
.page-hero .lead { margin-top: 20px; max-width: 640px; color: var(--muted); font-size: 16.5px; }

/* 关于页 */
.about-cols { display: grid; grid-template-columns: 1.1fr 1fr; gap: 64px; align-items: start; }
.about-cols h2 { font-size: clamp(26px, 3vw, 36px); font-weight: 900; line-height: 1.4; margin-bottom: 24px; letter-spacing: 1px; }
.about-cols p { color: var(--muted); margin-bottom: 18px; font-size: 15.5px; }
.about-quote {
  position: relative;
  background: var(--card);
  border: 2.5px solid var(--ink);
  border-radius: 18px 8px 18px 8px;
  box-shadow: var(--shadow-hand);
  padding: 30px 28px;
  margin: 30px 0;
  font-size: 19px;
  font-weight: 900;
  line-height: 1.8;
  transform: rotate(-0.8deg);
}
/* 和纸胶带效果 */
.about-quote::before {
  content: "";
  position: absolute;
  top: -14px; left: 50%;
  width: 110px; height: 26px;
  margin-left: -55px;
  background: rgba(255, 209, 102, 0.75);
  border-left: 2px dashed rgba(61, 50, 41, 0.3);
  border-right: 2px dashed rgba(61, 50, 41, 0.3);
  transform: rotate(-3deg);
}
.value-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.value-card {
  border: 2.5px solid var(--ink);
  border-radius: 22px 10px 22px 10px;
  padding: 34px 28px;
  box-shadow: var(--shadow-hand);
  transition: all 0.3s var(--ease-spring);
}
.value-grid .value-card:nth-child(1) { transform: rotate(-1deg); }
.value-grid .value-card:nth-child(2) { transform: rotate(0.8deg); }
.value-grid .value-card:nth-child(3) { transform: rotate(-0.6deg); }
.value-card:hover { transform: rotate(0) translateY(-8px); }
.value-card .v-no { font-family: var(--font-mono); font-size: 12px; letter-spacing: 2px; font-weight: 700; padding: 5px 14px; border: 2px solid var(--ink); border-radius: 999px; display: inline-block; background: var(--card); }
.v-blue { background: var(--blue-soft); } .v-blue .v-no { color: var(--blue); }
.v-red { background: var(--red-soft); } .v-red .v-no { color: var(--red); }
.v-purple { background: var(--purple-soft); } .v-purple .v-no { color: var(--purple); }
.value-card h4 { font-size: 21px; font-weight: 900; margin: 18px 0 10px; }
.value-card p { font-size: 14px; color: rgba(61, 50, 41, 0.75); }

.timeline { position: relative; padding-left: 10px; }
.timeline::before { content: ""; position: absolute; left: 13px; top: 12px; bottom: 12px; width: 0; border-left: 3px dashed var(--line); }
.tl-item { position: relative; padding: 0 0 46px 48px; }
.tl-item::before {
  content: "";
  position: absolute; left: 0; top: 2px;
  width: 26px; height: 26px;
  border-radius: 50%;
  border: 2.5px solid var(--ink);
  box-shadow: 2.5px 2.5px 0 rgba(61, 50, 41, 0.2);
}
.tl-item:nth-child(1)::before { background: var(--blue-crayon); }
.tl-item:nth-child(2)::before { background: var(--red); }
.tl-item:nth-child(3)::before { background: var(--green); }
.tl-item:nth-child(4)::before { background: var(--yellow); }
.tl-item:nth-child(5)::before { background: var(--purple); }
.tl-year { font-family: var(--font-mono); font-weight: 700; letter-spacing: 2px; }
.tl-item:nth-child(1) .tl-year { color: var(--blue); }
.tl-item:nth-child(2) .tl-year { color: var(--red); }
.tl-item:nth-child(3) .tl-year { color: var(--green); }
.tl-item:nth-child(4) .tl-year { color: #d99a12; }
.tl-item:nth-child(5) .tl-year { color: var(--purple); }
.tl-item h4 { font-size: 19px; font-weight: 900; margin: 8px 0 6px; }
.tl-item p { color: var(--muted); font-size: 14.5px; max-width: 560px; }

/* 业务页 */
.svc-block { display: grid; grid-template-columns: 1fr 1.3fr; gap: 60px; padding: 70px 0; border-bottom: 2.5px dashed rgba(61, 50, 41, 0.25); align-items: start; }
.svc-block:last-of-type { border-bottom: none; }
.svc-block.flip .svc-side { order: 2; }
.svc-side { position: sticky; top: 112px; }
.svc-no {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 62px; font-weight: 900; line-height: 1;
  border: 3px solid var(--ink);
  border-radius: 18px 8px 18px 8px;
  padding: 4px 20px;
  box-shadow: var(--shadow-pop);
  transform: rotate(-2deg);
  background: var(--card);
}
#software .svc-no { color: var(--blue); }
#mobile .svc-no { color: var(--red); transform: rotate(2deg); }
#solutions .svc-no { color: var(--green); }
.svc-side h2 { font-size: clamp(28px, 3.4vw, 40px); font-weight: 900; margin: 20px 0 6px; letter-spacing: 1px; }
.svc-side .svc-en { font-family: var(--font-mono); font-size: 12px; letter-spacing: 3px; color: var(--muted); text-transform: uppercase; }
.svc-icon { margin-top: 26px; font-size: 46px; }
.svc-body > p { color: var(--muted); margin-bottom: 26px; font-size: 15.5px; }
.svc-list li {
  background: var(--card);
  border: 2.5px solid var(--ink);
  border-radius: 16px 8px 16px 8px;
  display: flex; gap: 14px;
  padding: 17px 22px;
  margin-bottom: 14px;
  font-size: 15px;
  box-shadow: 3px 3px 0 rgba(61, 50, 41, 0.12);
  transition: all 0.25s var(--ease-spring);
}
.svc-list li:hover { transform: translateX(8px) rotate(-0.4deg); box-shadow: 5px 4px 0 rgba(61, 50, 41, 0.16); }
#software .svc-list li::before { content: "✎"; color: var(--blue); font-weight: 900; }
#mobile .svc-list li::before { content: "✎"; color: var(--red); font-weight: 900; }
#solutions .svc-list li::before { content: "✎"; color: var(--green); font-weight: 900; }
.svc-list li b { font-weight: 700; }
.svc-stack { margin-top: 26px; display: flex; flex-wrap: wrap; gap: 10px; }
.svc-stack span {
  font-family: var(--font-mono);
  font-size: 12.5px;
  padding: 6px 16px;
  border: 2px solid var(--ink);
  border-radius: 999px;
  font-weight: 500;
  background: var(--card);
}
#software .svc-stack span { color: var(--blue); transform: rotate(-1deg); }
#mobile .svc-stack span { color: var(--red); transform: rotate(1deg); }
#solutions .svc-stack span { color: var(--green); }

/* 联系页 */
.contact-grid { display: grid; grid-template-columns: 1fr 1.3fr; gap: 56px; align-items: start; }
.contact-cards { display: grid; gap: 20px; }
.contact-card {
  background: var(--card);
  border: 2.5px solid var(--ink);
  border-radius: 18px 8px 18px 8px;
  padding: 22px 24px;
  display: flex; gap: 20px; align-items: flex-start;
  box-shadow: var(--shadow-hand);
  transition: all 0.25s var(--ease-spring);
}
.contact-cards .contact-card:nth-child(1) { transform: rotate(-0.8deg); }
.contact-cards .contact-card:nth-child(2) { transform: rotate(0.7deg); }
.contact-cards .contact-card:nth-child(3) { transform: rotate(-0.6deg); }
.contact-cards .contact-card:nth-child(4) { transform: rotate(0.8deg); }
.contact-card:hover { transform: rotate(0) translateX(8px); }
.contact-card .c-icon {
  width: 50px; height: 50px; flex-shrink: 0;
  border-radius: 50%;
  border: 2.5px solid var(--ink);
  display: flex; align-items: center; justify-content: center;
  font-size: 22px;
  margin-top: 2px;
}
.contact-card:nth-child(1) .c-icon { background: var(--blue-soft); }
.contact-card:nth-child(2) .c-icon { background: var(--red-soft); }
.contact-card:nth-child(3) .c-icon { background: var(--green-soft); }
.contact-card:nth-child(4) .c-icon { background: var(--yellow-soft); }
.contact-card h4 { font-size: 15px; font-weight: 900; margin-bottom: 6px; letter-spacing: 1px; }
.contact-card p { font-size: 15px; color: var(--muted); line-height: 1.7; }

.form-panel {
  background: var(--card);
  border: 2.5px solid var(--ink);
  border-radius: 22px 10px 22px 10px;
  padding: 42px 40px;
  box-shadow: var(--shadow-hand);
  transform: rotate(0.4deg);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.form-group { margin-bottom: 22px; }
.form-group label { display: block; font-size: 13.5px; font-weight: 900; margin-bottom: 8px; letter-spacing: 1px; }
.form-group label i { font-style: normal; color: var(--red); margin-left: 3px; }
.form-group input, .form-group textarea {
  width: 100%;
  border: 2.5px solid var(--ink);
  background: var(--paper);
  border-radius: 14px 6px 14px 6px;
  padding: 13px 18px;
  font-size: 15px;
  font-family: var(--font-body);
  color: var(--ink);
  transition: all 0.2s;
  outline: none;
  resize: vertical;
}
.form-group input:focus, .form-group textarea:focus {
  background: var(--card);
  box-shadow: 3px 3px 0 var(--blue-crayon);
  transform: translate(-1px, -1px);
}
.form-tip { margin-top: 18px; font-size: 13.5px; color: var(--muted); line-height: 1.8; }
.form-tip a { color: var(--blue); font-weight: 700; border-bottom: 2px dashed var(--blue-crayon); }
.form-success {
  display: none;
  background: var(--green-soft);
  border: 2.5px solid var(--ink);
  border-radius: 14px 6px 14px 6px;
  color: var(--ink);
  padding: 14px 18px;
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 20px;
  transform: rotate(-0.5deg);
}
.form-success.show { display: block; }

/* ---------- 动效 ---------- */
.reveal { opacity: 0; transform: translateY(28px) rotate(0.5deg); transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out); }
.reveal.in { opacity: 1; transform: none; }
.reveal-d1 { transition-delay: 0.1s; }
.reveal-d2 { transition-delay: 0.2s; }
.reveal-d3 { transition-delay: 0.3s; }

/* ---------- 返回顶部 ---------- */
.to-top {
  position: fixed; right: 26px; bottom: 26px;
  width: 50px; height: 50px;
  border-radius: 16px 8px 16px 8px;
  background: var(--yellow);
  border: 2.5px solid var(--ink);
  box-shadow: var(--shadow-pop);
  color: var(--ink); cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  opacity: 0; pointer-events: none;
  transition: all 0.3s;
  z-index: 90;
  transform: rotate(3deg);
}
.to-top.show { opacity: 1; pointer-events: auto; }
.to-top:hover { transform: rotate(0deg) translateY(-4px); }

/* ---------- 响应式 ---------- */
@media (max-width: 960px) {
  .hero-inner, .about-cols, .contact-grid, .svc-block { grid-template-columns: 1fr; gap: 44px; }
  .svc-side { position: static; }
  .svc-block.flip .svc-side { order: 0; }
  .biz-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .steps, .value-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-top { grid-template-columns: 1fr 1fr; }
  .sec-head { flex-direction: column; align-items: flex-start; }
  .form-row { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .nav { padding: 10px 12px 10px 16px; }
  .nav-links {
    position: absolute;
    top: 80px; right: 12px;
    background: var(--card);
    border: 2.5px solid var(--ink);
    border-radius: 18px 8px 18px 8px;
    box-shadow: var(--shadow-pop);
    flex-direction: column;
    align-items: stretch;
    width: 230px;
    padding: 16px;
    gap: 4px;
    opacity: 0;
    pointer-events: none;
    transform: translateY(-8px) rotate(1deg);
    transition: all 0.3s var(--ease-out);
  }
  .nav-links.open { opacity: 1; pointer-events: auto; transform: none; }
  .nav-cta { margin: 8px 0 0; text-align: center; }
  .nav-toggle { display: block; }
  .steps, .value-grid, .stats-grid { grid-template-columns: 1fr; }
  .footer-top { grid-template-columns: 1fr; gap: 36px; }
  .wrap { padding: 0 20px; }
  .hero { padding-top: 130px; }
  .spark { display: none; }
}

/* ============================================================
   新增组件：能力版图 / 截图手账墙 / 案例矩阵 / 产品页
   ============================================================ */

/* 能力版图 */
.caps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.cap-card {
  border: 2.5px solid var(--ink);
  border-radius: 22px 10px 22px 10px;
  padding: 30px 26px;
  box-shadow: var(--shadow-hand);
  transition: all 0.3s var(--ease-spring);
}
.caps .cap-card:nth-child(odd) { transform: rotate(-0.9deg); }
.caps .cap-card:nth-child(even) { transform: rotate(0.8deg); }
.cap-card:hover { transform: rotate(0) translateY(-8px); }
.cap-card .cap-emoji {
  width: 58px; height: 58px;
  border-radius: 50%;
  border: 2.5px solid var(--ink);
  display: flex; align-items: center; justify-content: center;
  font-size: 27px;
  margin-bottom: 18px;
  background: var(--card);
}
.cap-blue { background: var(--blue-soft); } .cap-blue .cap-emoji { background: var(--card); }
.cap-red { background: var(--red-soft); }
.cap-green { background: var(--green-soft); }
.cap-yellow { background: var(--yellow-soft); }
.cap-purple { background: var(--purple-soft); }
.cap-orange { background: #ffe4cf; }
.cap-card h4 { font-size: 19px; font-weight: 900; margin-bottom: 8px; letter-spacing: 1px; }
.cap-card p { font-size: 13.5px; color: rgba(61, 50, 41, 0.75); line-height: 1.9; }
.cap-card .cap-tag {
  display: inline-block;
  margin-top: 14px;
  font-size: 11.5px; font-weight: 700;
  font-family: var(--font-mono);
  letter-spacing: 1px;
  background: var(--card);
  border: 2px solid var(--ink);
  border-radius: 999px;
  padding: 3px 12px;
}

/* 截图手账墙 */
.tape-wall {
  display: flex; flex-wrap: wrap;
  justify-content: center;
  gap: 34px 30px;
  padding: 20px 0 6px;
}
.shot {
  position: relative;
  background: var(--card);
  border: 2.5px solid var(--ink);
  border-radius: 14px 6px 14px 6px;
  padding: 12px 12px 14px;
  box-shadow: var(--shadow-hand);
  width: 258px;
  transition: all 0.3s var(--ease-spring);
}
.shot::before {
  content: "";
  position: absolute;
  top: -13px; left: 50%;
  width: 86px; height: 24px;
  margin-left: -43px;
  background: rgba(255, 209, 102, 0.8);
  border-left: 2px dashed rgba(61, 50, 41, 0.25);
  border-right: 2px dashed rgba(61, 50, 41, 0.25);
  transform: rotate(-4deg);
}
.shot:nth-child(2n)::before { background: rgba(219, 233, 255, 0.95); transform: rotate(3deg); }
.shot:nth-child(3n)::before { background: rgba(255, 217, 232, 0.9); transform: rotate(-2deg); }
.shot img {
  width: 100%;
  border: 2px solid var(--ink);
  border-radius: 8px 4px 8px 4px;
  display: block;
}
.shot figcaption {
  margin-top: 10px;
  text-align: center;
  font-size: 13px;
  font-weight: 700;
  color: var(--muted);
}
.tape-wall .shot:nth-child(odd) { transform: rotate(-1.4deg); }
.tape-wall .shot:nth-child(even) { transform: rotate(1.2deg); }
.tape-wall .shot:hover { transform: rotate(0) translateY(-8px) scale(1.03); z-index: 3; }

/* 侧边截图（产品页） */
.side-shot {
  background: var(--card);
  border: 2.5px solid var(--ink);
  border-radius: 16px 8px 16px 8px;
  padding: 12px;
  box-shadow: var(--shadow-hand);
  transform: rotate(-1.2deg);
  max-width: 340px;
}
.side-shot img { width: 100%; border: 2px solid var(--ink); border-radius: 8px 4px 8px 4px; }

/* 交付物清单 */
.deliver-list li {
  display: flex; align-items: center; gap: 12px;
  padding: 12px 0;
  border-bottom: 2px dashed rgba(61, 50, 41, 0.2);
  font-size: 14.5px;
  font-weight: 500;
}
.deliver-list li::before {
  content: "✔";
  width: 26px; height: 26px; flex-shrink: 0;
  border: 2px solid var(--ink);
  border-radius: 50%;
  background: var(--green-soft);
  color: var(--green);
  font-size: 13px; font-weight: 900;
  display: flex; align-items: center; justify-content: center;
}
.deliver-list li:last-child { border-bottom: none; }

/* 案例矩阵 */
.case-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 30px; }
.case-card {
  position: relative;
  background: var(--card);
  border: 2.5px solid var(--ink);
  border-radius: 22px 10px 22px 10px;
  padding: 36px 32px;
  box-shadow: var(--shadow-hand);
  transition: all 0.3s var(--ease-spring);
  overflow: hidden;
}
.case-grid .case-card:nth-child(odd) { transform: rotate(-0.6deg); }
.case-grid .case-card:nth-child(even) { transform: rotate(0.6deg); }
.case-card:hover { transform: rotate(0) translateY(-8px); }
.case-tag {
  display: inline-block;
  font-size: 11.5px; font-weight: 700;
  font-family: var(--font-mono);
  letter-spacing: 1px;
  padding: 4px 14px;
  border: 2px solid var(--ink);
  border-radius: 999px;
  margin-bottom: 16px;
  background: var(--card);
}
.case-blue .case-tag { color: var(--blue); }
.case-red .case-tag { color: var(--red); }
.case-green .case-tag { color: var(--green); }
.case-purple .case-tag { color: var(--purple); }
.case-orange .case-tag { color: var(--orange); }
.case-yellow .case-tag { color: #d99a12; }
.case-card h3 { font-size: 21px; font-weight: 900; margin-bottom: 12px; letter-spacing: 1px; }
.case-card > p { font-size: 14px; color: var(--muted); margin-bottom: 16px; }
.case-points li {
  font-size: 13.5px;
  padding: 7px 0;
  border-bottom: 2px dashed rgba(61, 50, 41, 0.15);
  display: flex; gap: 10px;
}
.case-points li::before { content: "→"; color: var(--orange); font-weight: 900; }
.case-points li:last-child { border-bottom: none; }
.case-metrics {
  display: flex; gap: 26px;
  margin-top: 18px; padding-top: 16px;
  border-top: 2.5px solid var(--ink);
}
.case-metrics div b { display: block; font-size: 24px; font-weight: 900; }
.case-metrics div span { font-size: 11.5px; color: var(--muted); letter-spacing: 1px; }
.case-blue .case-metrics b { color: var(--blue); }
.case-red .case-metrics b { color: var(--red); }
.case-green .case-metrics b { color: var(--green); }
.case-purple .case-metrics b { color: var(--purple); }
.case-orange .case-metrics b { color: var(--orange); }
.case-yellow .case-metrics b { color: #d99a12; }

/* AIGC 预览墙 */
.ai-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 26px; }
.ai-item {
  position: relative;
  background: var(--card);
  border: 2.5px solid var(--ink);
  border-radius: 16px 8px 16px 8px;
  padding: 10px 10px 12px;
  box-shadow: var(--shadow-hand);
  transition: all 0.3s var(--ease-spring);
}
.ai-grid .ai-item:nth-child(odd) { transform: rotate(-1.2deg); }
.ai-grid .ai-item:nth-child(even) { transform: rotate(1deg); }
.ai-item:hover { transform: rotate(0) translateY(-6px); }
.ai-item img { width: 100%; border: 2px solid var(--ink); border-radius: 8px 4px 8px 4px; display: block; }
.ai-item figcaption { margin-top: 8px; text-align: center; font-size: 12px; font-weight: 700; color: var(--muted); }

/* 产品页大数字条 */
.prod-strip { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.prod-strip .stat { background: var(--card); }

/* 新增 value 配色 */
.v-yellow { background: var(--yellow-soft); } .v-yellow .v-no { color: #d99a12; }
.v-green { background: var(--green-soft); } .v-green .v-no { color: var(--green); }

/* 在线体验按钮行 */
.demo-row { display: flex; gap: 16px; flex-wrap: wrap; margin-top: 26px; }
.btn-green { background: var(--green); color: var(--ink); transform: rotate(0.8deg); }

@media (max-width: 960px) {
  .caps { grid-template-columns: repeat(2, 1fr); }
  .case-grid { grid-template-columns: 1fr; }
  .ai-grid { grid-template-columns: repeat(2, 1fr); }
  .prod-strip { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .caps { grid-template-columns: 1fr; }
  .ai-grid { grid-template-columns: 1fr; }
  .shot { width: 230px; }
}

/* 首屏 3D 画布 */
#hero3d {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
  pointer-events: none;
}
@media (max-width: 640px) { #hero3d { display: none; } }