/* 杰哥的AI踩坑日记 · 个人网站
   配色取自横幅：暖米底、炭黑、低多边形橙、印章红 */
:root {
  --cream: #FBF3E6;
  --paper: #FFFAF2;
  --ink: #26231F;
  --muted: #6E655A;
  --line: #EADCC6;
  --orange: #E2772F;
  --orange-deep: #B85A1C;
  --orange-soft: #F7DFC6;
  --charcoal: #2F2B27;
  --seal: #B7322B;
  --radius: 14px;
  --serif: "Noto Serif SC", "Source Han Serif SC", "Songti SC", "STSong", "SimSun", serif;
  --sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, sans-serif;
  --shadow: 0 24px 50px -32px rgba(60, 40, 15, .45);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 76px; }
body { background: var(--cream); color: var(--ink); font-family: var(--sans); line-height: 1.7; -webkit-font-smoothing: antialiased; }
img { display: block; max-width: 100%; }
html, body { overflow-x: hidden; }
.hero-in > *, .about > *, .work > *, .pits > *, .services > *, .contact > *, .stats > * { min-width: 0; }
a { color: inherit; text-decoration: none; }
.wrap { width: min(1120px, 92vw); margin: 0 auto; }
.m-br { display: none; }

/* 按钮 */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 6px; border: 0; cursor: pointer; font: 600 16px var(--sans); border-radius: 999px; padding: 12px 24px; transition: transform .15s, background .15s; }
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: var(--orange); color: #fff; box-shadow: 0 10px 24px -12px rgba(226, 119, 47, .9); }
.btn-primary:hover { background: var(--orange-deep); }
.btn-ghost { background: transparent; color: var(--ink); border: 1.5px solid var(--ink); }
.btn-ghost-light { background: transparent; color: #fff; border: 1.5px solid rgba(255,255,255,.7); }
.btn-sm { padding: 8px 18px; font-size: 14px; background: var(--charcoal); color: #fff; }
.link-btn { border: 0; background: none; color: var(--orange-deep); font: 600 14px var(--sans); cursor: pointer; margin-left: 6px; }

/* 印章 */
.seal { display: inline-flex; align-items: center; justify-content: center; width: 38px; height: 38px; border-radius: 6px; background: var(--seal); color: #fff; font: 700 13px/1.05 var(--serif); text-align: center; letter-spacing: 1px; }
.seal.small { width: 30px; height: 30px; font-size: 11px; }

/* 导航 */
.nav { position: sticky; top: 0; z-index: 20; background: rgba(251, 243, 230, .88); backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); }
.nav-in { display: flex; align-items: center; gap: 28px; height: 64px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; }
.brand-name { font-family: var(--serif); font-size: 18px; }
.links { display: flex; gap: 22px; margin-left: auto; font-size: 15px; color: var(--muted); }
.links a:hover { color: var(--orange-deep); }

/* 首屏 */
.hero { position: relative; overflow: hidden; }
.hero-in { position: relative; z-index: 2; display: grid; grid-template-columns: 1.35fr .9fr; gap: 48px; align-items: center; padding: 72px 0 36px; }
.eyebrow { display: inline-block; font-size: 14px; letter-spacing: 3px; color: var(--orange-deep); border: 1px solid var(--orange); border-radius: 999px; padding: 3px 14px; margin-bottom: 22px; }
.hero h1 { font-family: var(--serif); font-weight: 800; font-size: clamp(42px, 6.2vw, 76px); line-height: 1.18; letter-spacing: 2px; }
.lead { font-size: clamp(18px, 2vw, 22px); color: var(--charcoal); margin: 24px 0 32px; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 14px; }
.hero-art { height: clamp(200px, 29vw, 420px); background: url("assets/hero-art.jpg") center top / cover no-repeat; position: relative; margin-top: -12px; }
.hero-art::before { content: ""; position: absolute; inset: 0; background: linear-gradient(var(--cream) 0%, rgba(251,243,230,0) 16%); }

/* 卡片 */
.card { background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); }
.profile { padding: 30px 28px; text-align: center; }
.avatar { width: 132px; height: 132px; border-radius: 50%; margin: 0 auto 14px; border: 4px solid #fff; box-shadow: 0 0 0 2px var(--orange); object-fit: cover; }
.p-name { font: 800 26px var(--serif); }
.p-role { color: var(--muted); margin: 2px 0 16px; }
.p-list { list-style: none; text-align: left; border-top: 1px dashed var(--line); padding-top: 14px; display: grid; gap: 8px; font-size: 15px; }
.p-list b { color: var(--orange-deep); font-size: 17px; margin-right: 4px; }

/* 数字条 */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-top: -40px; position: relative; z-index: 3; }
.stat { background: var(--charcoal); color: #fff; border-radius: var(--radius); padding: 22px 22px 18px; }
.stat b { display: block; font: 800 40px/1.1 var(--serif); color: #FFC089; }
.stat b i { font-style: normal; font-size: 18px; margin-left: 4px; color: #fff; }
.stat span { display: block; margin-top: 6px; font-size: 15px; color: #E9DFD2; line-height: 1.5; }
.stat small { color: #B8AC9C; font-size: 12px; }

/* 区块 */
.sec { padding: 96px 0 24px; }
.sec-tint { background: linear-gradient(180deg, transparent, #F6E8D4 18%, #F6E8D4 82%, transparent); padding-bottom: 40px; }
.sec h2 { font: 800 clamp(28px, 3.6vw, 40px)/1.3 var(--serif); margin-bottom: 18px; }
.sec-lead { color: var(--muted); margin: -6px 0 28px; font-size: 17px; }
.step-mark { display: inline-flex; align-items: center; gap: 12px; font-size: 15px; font-weight: 700; color: var(--orange-deep); letter-spacing: 1px; margin-bottom: 14px; }
.step-mark.light { color: #FFC089; }
.stairs { display: inline-flex; align-items: flex-end; gap: 2px; height: 26px; }
.stairs i { width: 9px; background: var(--line); border-radius: 2px 2px 0 0; }
.stairs i:nth-child(1) { height: 7px; } .stairs i:nth-child(2) { height: 13px; } .stairs i:nth-child(3) { height: 19px; } .stairs i:nth-child(4) { height: 26px; }
.step-mark[data-step="1"] .stairs i:nth-child(-n+1),
.step-mark[data-step="2"] .stairs i:nth-child(-n+2),
.step-mark[data-step="3"] .stairs i:nth-child(-n+3),
.step-mark[data-step="4"] .stairs i:nth-child(-n+4) { background: var(--orange); }
.step-mark.light .stairs i { background: rgba(255,255,255,.25); }

/* 第一阶 */
.about { display: grid; grid-template-columns: 1.4fr 1fr; gap: 44px; align-items: start; }
.about-text p { font-size: 18px; margin-bottom: 14px; color: var(--charcoal); }
blockquote { margin-top: 26px; padding: 18px 22px; border-left: 4px solid var(--orange); background: var(--orange-soft); border-radius: 0 var(--radius) var(--radius) 0; font: 600 19px/1.8 var(--serif); }
.day { padding: 26px 26px 22px; }
.day-title { font: 800 22px var(--serif); }
.day-sub { color: var(--muted); font-size: 14px; margin-bottom: 18px; }
.timeline { list-style: none; position: relative; padding-left: 22px; }
.timeline::before { content: ""; position: absolute; left: 6px; top: 8px; bottom: 8px; width: 2px; background: var(--line); }
.timeline li { position: relative; display: flex; gap: 16px; align-items: baseline; padding: 8px 0; }
.timeline li::before { content: ""; position: absolute; left: -21px; top: 17px; width: 12px; height: 12px; border-radius: 50%; background: var(--orange); border: 2px solid var(--paper); }
.timeline time { font: 800 26px var(--serif); color: var(--orange-deep); min-width: 82px; }
.timeline span { font-size: 17px; }
.day-note { margin-top: 12px; padding-top: 12px; border-top: 1px dashed var(--line); color: var(--muted); font-size: 15px; }

/* 第二阶 */
.work { display: grid; overflow: hidden; margin-top: 22px; }
.work-main { grid-template-columns: 340px 1fr; }
.work-second { grid-template-columns: 1fr 1.1fr; align-items: center; }
.work-media { background: #F1E2CC; }
.work-media img { width: 100%; height: 100%; object-fit: cover; }
.work-media.wide { padding: 22px; background: #1E1C1A; }
.work-media.wide img { border-radius: 10px; height: auto; }
.work-body { padding: 30px 34px; }
.tag { display: inline-block; font-size: 13px; font-weight: 700; color: #fff; background: var(--orange); border-radius: 6px; padding: 2px 10px; margin-bottom: 10px; }
.tag-soft { background: var(--charcoal); }
.work h3 { display: flex; align-items: center; gap: 10px; font: 800 30px var(--serif); margin-bottom: 10px; }
.mascot { width: 44px; height: 44px; object-fit: contain; }
.work p { font-size: 17px; color: var(--charcoal); }
.star-big { margin: 20px 0 10px; font-size: 18px; color: var(--muted); }
.star-big b { font: 800 48px var(--serif); color: var(--orange-deep); margin-right: 6px; }
.repos { list-style: none; display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; }
.repos a { display: block; border: 1px solid var(--line); border-radius: 10px; padding: 10px 12px; background: #fff; transition: border-color .15s; }
.repos a:hover { border-color: var(--orange); }
.repos span { display: block; font-size: 13px; color: var(--muted); }
.repos b { font: 800 22px var(--serif); }
.fine { font-size: 13px; color: var(--muted); margin-top: 8px; }
.work-links { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 22px; }

/* 可托 */
.sec-dark { background: var(--charcoal); color: #fff; margin-top: 72px; padding-bottom: 96px; }
.sec-dark h2 { color: #fff; }
.services { display: grid; grid-template-columns: 1.3fr 1fr; gap: 22px; margin-top: 10px; }
.svc { background: #3A3530; border: 1px solid #4A443E; border-radius: var(--radius); padding: 30px 30px 28px; display: flex; flex-direction: column; }
.svc-main { background: linear-gradient(160deg, #4A3527, #3A3530 60%); border-color: var(--orange); }
.svc h3 { font: 800 30px var(--serif); margin-bottom: 8px; }
.svc-who { color: #E9DFD2; font-size: 16px; }
.svc-list { list-style: none; margin: 18px 0; display: grid; gap: 10px; }
.svc-list li { font-size: 16px; color: #F3EBDF; padding-left: 0; }
.svc-list b { display: inline-block; min-width: 72px; color: #FFC089; margin-right: 8px; }
.svc-meta { display: flex; flex-wrap: wrap; gap: 6px 18px; font-size: 14px; color: #CFC3B3; margin: auto 0 18px; padding-top: 14px; border-top: 1px dashed #5A534B; }
.price { color: #FFC089; font-weight: 700; }
.svc .btn, .svc .tag { align-self: flex-start; }

/* 第五阶 */
.contact { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-bottom: 96px; }
.ct { padding: 26px; text-align: center; }
.ct-title { font: 800 20px var(--serif); margin-bottom: 14px; }
.qr { width: 168px; height: 168px; margin: 0 auto 12px; border-radius: 10px; }
.qr-empty { display: flex; flex-direction: column; align-items: center; justify-content: center; border: 2px dashed var(--line); color: var(--muted); font-size: 15px; }
.ct-id { font-weight: 700; font-size: 17px; }
.ct-links { text-align: left; display: flex; flex-direction: column; gap: 10px; }
.ct-links .ct-title { text-align: center; }
.ct-links a { display: flex; justify-content: space-between; border: 1px solid var(--line); border-radius: 10px; padding: 12px 14px; background: #fff; font-weight: 600; }
.ct-links a span { color: var(--muted); font-weight: 500; }
.ct-links a:hover { border-color: var(--orange); }

/* 页脚 */
.foot { background: var(--charcoal); color: #E9DFD2; }
.foot-in { display: flex; align-items: center; gap: 14px; padding: 26px 0; font-family: var(--serif); }
.foot-copy { margin-left: auto; font-family: var(--sans); font-size: 13px; color: #B8AC9C; }

/* 复制提示 */
.toast { position: fixed; left: 50%; bottom: 32px; transform: translate(-50%, 20px); background: var(--charcoal); color: #fff; padding: 12px 20px; border-radius: 999px; font-size: 15px; opacity: 0; pointer-events: none; transition: .25s; z-index: 50; }
.toast.show { opacity: 1; transform: translate(-50%, 0); }

/* 手机 */
@media (max-width: 860px) {
  .links { display: none; }
  .nav-in { justify-content: space-between; }
  .brand-name { font-size: 16px; }
  .hero-in { grid-template-columns: 1fr; padding: 40px 0 20px; gap: 28px; }
  .m-br { display: inline; }
  .stats { grid-template-columns: repeat(2, 1fr); margin-top: -20px; }
  .stat b { font-size: 32px; }
  .sec { padding-top: 64px; }
  .about, .services, .contact, .pits { grid-template-columns: 1fr; }
  .work-main, .work-second { grid-template-columns: 1fr; }
  .work-main .work-media { max-height: 360px; overflow: hidden; }
  .work-second .work-media { order: -1; }
  .work-body { padding: 24px 22px; }
  .repos { grid-template-columns: repeat(2, 1fr); }
  .foot-in { flex-wrap: wrap; }
  .foot-copy { margin-left: 0; width: 100%; }
}

/* v2：调子 */
.step-mark small { font: 600 11px var(--sans); letter-spacing: 3px; color: var(--muted); opacity: .8; margin-left: 4px; }
.step-mark.light small { color: #CFC3B3; }
.lang { border: 1px solid var(--line); background: transparent; border-radius: 999px; padding: 6px 12px; font: 600 13px var(--sans); color: var(--muted); cursor: pointer; }
.lang:hover { border-color: var(--orange); color: var(--orange-deep); }
.trio { display: flex; gap: 12px; margin: -8px 0 30px; }
.trio .t { flex: 1; max-width: 150px; border: 1px solid var(--line); background: var(--paper); border-radius: 12px; padding: 12px 14px; }
.trio b { display: block; font: 800 24px/1.2 var(--serif); color: var(--orange-deep); letter-spacing: 2px; }
.trio span { font-size: 13px; color: var(--muted); }
.lead { font-family: var(--serif); font-size: clamp(18px, 1.9vw, 21px); line-height: 1.9; max-width: 34em; }
.p-list li { display: flex; gap: 8px; align-items: baseline; }
.p-list li b { min-width: 44px; }
.tagline { font: 800 26px/1.4 var(--serif) !important; color: var(--orange-deep) !important; margin: 2px 0 10px; letter-spacing: 1px; }
.tagline.small { font-size: 20px !important; }
.star-big b { margin-right: 10px; }
.foot-slogan em { font: italic 400 13px var(--sans); color: #B8AC9C; margin-left: 12px; }
.about-text h2 { margin-bottom: 22px; }
.about-text p { font-family: var(--serif); }
.sec-dark { margin-top: 40px; }
/* 英文版排版 */
.is-en .hero h1 { font-size: clamp(36px, 5vw, 62px); letter-spacing: 0; line-height: 1.15; }
.is-en .trio b { letter-spacing: 0; font-size: 20px; }
.is-en .svc-list b { min-width: 90px; }
.is-en .lead, .is-en .about-text p { font-family: var(--sans); }
@media (max-width: 860px) {
  .lang { margin-left: auto; margin-right: 8px; }
  .trio .t { padding: 10px; }
  .trio b { font-size: 20px; }
  .foot-slogan em { display: block; margin: 4px 0 0; }
}

.is-en .step-mark small { display: none; }