@charset "UTF-8";

/* ============================================================
   小满 · 个人网站样式
   改配色只需动 :root 里的变量。
   ============================================================ */

:root{
    --bg:#f1f3ef;
    --paper:#fbfcf9;
    --ink:#1d2a25;
    --ink-2:#4c5b54;
    --ink-3:#87958d;
    --line:rgba(29,42,37,.13);

    --accent:#2f5d7c;
    --accent-soft:#dde8f0;
    --warm:#c96a42;
    --warm-soft:#f7e5da;
    --sage:#4d7a63;
    --sage-soft:#dcebe1;
    --highlight:#e8dda8;

    --sans:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Segoe UI",Roboto,sans-serif;
    --serif:"Source Han Serif SC","Noto Serif SC","Songti SC","STSong","SimSun",serif;
    --mono:"SF Mono",Consolas,Monaco,"Courier New",monospace;

    --bd:1.5px solid var(--ink);
    --shadow:3px 3px 0 var(--ink);
    --shadow-sm:2px 2px 0 var(--ink);
    --shadow-lg:6px 6px 0 var(--ink);
    --r:12px;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:80px;overflow-x:clip}
body{
    margin:0;overflow-x:clip;
    background-color:var(--bg);
    background-image:radial-gradient(rgba(29,42,37,.04) 1px,transparent 1px);
    background-size:22px 22px;
    color:var(--ink);font-family:var(--sans);font-size:16px;line-height:1.75;
    -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer}
img,svg{display:block;max-width:100%}
::selection{background:var(--highlight);color:var(--ink)}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px}
.container{width:min(1120px,100% - 48px);margin-inline:auto}
.skip-link{position:absolute;left:-9999px;top:0;z-index:999;background:var(--accent);color:#fff;border:var(--bd);padding:10px 16px}
.skip-link:focus{left:12px;top:12px}

/* ---------- 导航 ---------- */
.site-nav{position:sticky;top:0;z-index:100;background:rgba(241,243,239,.94);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom:var(--bd)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:66px;gap:20px}
.logo{display:inline-flex;align-items:center;gap:9px;font-weight:700;font-size:1.02rem;letter-spacing:.02em;white-space:nowrap}
.logo-mark{display:grid;place-items:center;width:30px;height:30px;background:var(--accent);color:#fff;border:var(--bd);border-radius:7px;font-family:var(--mono);font-size:.72rem;box-shadow:var(--shadow-sm)}
.nav-menu{display:flex;align-items:center;gap:28px}
.nav-link{position:relative;font-size:.9rem;font-weight:600;color:var(--ink-2);padding:5px 0;transition:color .2s}
.nav-link::after{content:"";position:absolute;left:0;right:100%;bottom:0;height:2px;background:var(--warm);transition:right .22s ease}
.nav-link:hover,.nav-link.active{color:var(--ink)}
.nav-link:hover::after,.nav-link.active::after{right:0}
.nav-cta{background:var(--ink);color:var(--paper);border:var(--bd);border-radius:8px;padding:8px 16px;font-size:.87rem;font-weight:700;white-space:nowrap;transition:transform .18s,box-shadow .18s}
.nav-cta:hover{transform:translate(-2px,-2px);box-shadow:var(--shadow-sm)}
.menu-btn{display:none;flex-direction:column;gap:5px;background:var(--paper);border:var(--bd);border-radius:8px;padding:10px;box-shadow:var(--shadow-sm)}
.menu-btn span{display:block;width:19px;height:2px;background:var(--ink);transition:transform .2s,opacity .2s}
.menu-btn.active span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.menu-btn.active span:nth-child(2){opacity:0}
.menu-btn.active span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.menu-overlay{position:fixed;inset:0;z-index:110;background:rgba(29,42,37,.4);opacity:0;pointer-events:none;transition:opacity .25s}
.menu-overlay.active{opacity:1;pointer-events:auto}
.mobile-menu{position:fixed;top:0;right:0;bottom:0;width:min(290px,82vw);z-index:120;background:var(--paper);border-left:var(--bd);padding:22px;transform:translateX(105%);transition:transform .28s cubic-bezier(.22,.8,.3,1);display:flex;flex-direction:column;gap:4px;overflow-y:auto}
.mobile-menu.active{transform:translateX(0)}
.mobile-menu-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;padding-bottom:14px;border-bottom:var(--bd)}
.mobile-menu-title{font-weight:700}
.mobile-menu-close{background:var(--accent-soft);border:var(--bd);border-radius:8px;width:34px;height:34px;font-size:1.4rem;line-height:1}
.mobile-nav-link{padding:11px 13px;border-radius:8px;font-weight:600;border:1.5px solid transparent}
.mobile-nav-link:hover{background:var(--accent-soft);border-color:var(--ink)}

/* ---------- 首屏 ---------- */
.hero{padding:76px 0 68px}
.hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:64px;align-items:center}
.eyebrow{display:inline-block;font-family:var(--mono);font-size:.76rem;font-weight:700;letter-spacing:.04em;color:var(--accent);background:var(--accent-soft);border:1.5px solid var(--accent);border-radius:100px;padding:5px 14px;margin-bottom:26px}
.hero h1{font-family:var(--serif);font-size:clamp(2rem,4vw,3rem);font-weight:700;line-height:1.45;letter-spacing:-.01em;margin:0 0 22px;overflow-wrap:anywhere}
.hero h1 em{font-style:normal;background:linear-gradient(transparent 62%,var(--highlight) 62%);padding:0 4px;box-decoration-break:clone;-webkit-box-decoration-break:clone}
.hero-sub{font-size:1rem;color:var(--ink-2);max-width:520px;margin:0 0 30px;overflow-wrap:anywhere}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px}
.btn{display:inline-flex;align-items:center;gap:8px;border:var(--bd);box-shadow:var(--shadow);border-radius:9px;padding:11px 19px;font-weight:700;font-size:.92rem;transition:transform .18s,box-shadow .18s}
.btn:hover{transform:translate(-2px,-2px);box-shadow:5px 5px 0 var(--ink)}
.btn:active{transform:translate(0,0);box-shadow:var(--shadow-sm)}
.btn-primary{background:var(--accent);color:#fff}
.btn-ghost{background:var(--paper);color:var(--ink)}
.hero-note{margin:20px 0 0;font-size:.78rem;color:var(--ink-3)}

/* 终端能力卡（替代真人头像贴纸） */
.terminal{background:var(--ink);border:var(--bd);border-radius:var(--r);box-shadow:var(--shadow-lg);overflow:hidden;color:#e8eee9}
.terminal-bar{display:flex;align-items:center;gap:7px;padding:11px 15px;border-bottom:1px solid rgba(255,255,255,.14)}
.dot{width:9px;height:9px;border-radius:50%;background:#65756d}
.dot:nth-child(2){background:#8a9a91}
.dot:nth-child(3){background:#b3c0b8}
.terminal-title{margin-left:auto;font-family:var(--mono);font-size:.72rem;color:#9fb0a6}
.terminal-body{padding:20px 22px 24px;font-family:var(--mono);font-size:.83rem;line-height:1.95;overflow-wrap:anywhere}
.term-line{white-space:pre-wrap}
.term-line.cmd{color:#8fc4a8;margin-top:2px}
.term-line .ok{color:#8fc4a8}
.term-line.warm{color:#f0b48f}
.term-gap{height:10px}
.cursor{display:inline-block;width:7px;height:1.05em;background:#f0b48f;vertical-align:-2px;margin-left:5px;animation:blink 1.2s steps(1) infinite}
@keyframes blink{50%{opacity:0}}

/* 静态关键词条（替代黑色跑马灯） */
.keyword-strip{background:var(--paper);border-top:var(--bd);border-bottom:var(--bd)}
.strip-inner{display:flex;align-items:center;flex-wrap:wrap;gap:9px;padding-top:14px;padding-bottom:14px}
.strip-label{font-family:var(--mono);font-size:.76rem;font-weight:700;color:var(--ink-3);letter-spacing:.08em;margin-right:5px}
.strip-tag{font-size:.8rem;font-weight:600;padding:3px 11px;border:1.5px solid var(--line);border-radius:100px;color:var(--ink-2);background:var(--bg)}
.strip-tag:first-of-type{border-color:var(--accent);color:var(--accent);background:var(--accent-soft)}

/* ---------- 区块通用 ---------- */
.band{padding:82px 0;border-bottom:1.5px solid var(--line)}
.band--tint{background:rgba(251,252,249,.62)}
.sec-head{display:flex;align-items:flex-start;gap:22px;margin-bottom:34px}
.sec-index{font-family:var(--mono);font-size:.82rem;font-weight:700;color:var(--warm);letter-spacing:.06em;padding-top:9px;white-space:nowrap}
.sec-title{position:relative;font-family:var(--serif);font-size:clamp(1.55rem,2.6vw,2rem);font-weight:700;line-height:1.4;margin:0;padding-left:16px}
.sec-title::before{content:"";position:absolute;left:0;top:.28em;bottom:.28em;width:4px;background:var(--accent);border-radius:2px}
.sec-sub{font-size:.9rem;color:var(--ink-2);margin:6px 0 0;padding-left:16px}
.reveal{opacity:1}
html.js .reveal{opacity:0;transform:translateY(14px);transition:opacity .5s ease,transform .5s ease}
html.js .reveal.in{opacity:1;transform:none}
.chip{display:inline-block;font-size:.75rem;font-weight:600;padding:3px 10px;border:1.5px solid var(--line);border-radius:100px;background:var(--paper);color:var(--ink-2)}
.tag-row{display:flex;flex-wrap:wrap;gap:7px;margin-top:auto;padding-top:14px}
.note-arrow{font-weight:700;flex:none;transition:transform .2s}

/* ---------- 01 能力 ---------- */
.ability-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.ability-card{display:flex;flex-direction:column;background:var(--paper);border:var(--bd);border-radius:var(--r);box-shadow:var(--shadow);padding:24px 26px;transition:transform .18s,box-shadow .18s}
.ability-card:hover{transform:translate(-2px,-2px);box-shadow:5px 5px 0 var(--ink)}
.ability-no{font-family:var(--mono);font-size:.74rem;font-weight:700;color:var(--accent);letter-spacing:.08em;margin-bottom:12px}
.ability-card h3{font-family:var(--serif);font-size:1.22rem;font-weight:700;margin:0 0 10px}
.ability-card p{font-size:.9rem;color:var(--ink-2);margin:0;line-height:1.8}
.ability-card:nth-child(2) .ability-no,.ability-card:nth-child(4) .ability-no{color:var(--warm)}

/* ---------- 02 项目拆解 ---------- */
.case-card{background:var(--paper);border:var(--bd);border-radius:16px;box-shadow:var(--shadow);overflow:hidden;margin-bottom:24px}
.case-card:last-child{margin-bottom:0}
.case-head{display:flex;align-items:flex-start;justify-content:space-between;gap:20px;padding:26px 28px;border-bottom:1.5px solid var(--line);background:var(--accent-soft)}
.case-kicker{font-family:var(--mono);font-size:.74rem;font-weight:700;color:var(--accent);letter-spacing:.06em}
.case-head h3{font-family:var(--serif);font-size:1.4rem;font-weight:700;margin:6px 0 8px}
.case-head p{font-size:.9rem;color:var(--ink-2);margin:0;max-width:720px}
.case-badge{flex:none;font-size:.74rem;font-weight:700;padding:4px 11px;border:1.5px solid var(--ink);border-radius:100px;background:var(--paper)}
.case-steps{display:grid;grid-template-columns:repeat(4,1fr)}
.step{padding:20px 20px 24px;border-right:1.5px solid var(--line)}
.step:last-child{border-right:none}
.step-no{display:block;font-family:var(--mono);font-size:.74rem;font-weight:700;color:var(--warm);letter-spacing:.04em;margin-bottom:9px}
.step p{font-size:.86rem;color:var(--ink-2);margin:0;line-height:1.8}

/* ---------- 03 技术栈 ---------- */
.stack-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.stack-group{background:var(--paper);border:var(--bd);border-radius:var(--r);box-shadow:var(--shadow-sm);padding:20px}
.stack-group h3{display:flex;align-items:center;gap:8px;font-size:.98rem;font-weight:700;margin:0 0 15px}
.stack-dot{width:10px;height:10px;border:1.5px solid var(--ink);border-radius:3px;flex:none}
.dot-1{background:var(--accent-soft)}.dot-2{background:var(--warm-soft)}.dot-3{background:var(--sage-soft)}.dot-4{background:var(--highlight)}
.stack-tags{display:flex;flex-wrap:wrap;gap:7px}
.stack-tags span{font-size:.79rem;font-weight:600;color:var(--ink-2);background:var(--bg);border:1.5px solid var(--line);border-radius:6px;padding:4px 9px}

/* ---------- 04 笔记 ---------- */
.note-list{display:flex;flex-direction:column;gap:10px}
.note-row{display:flex;align-items:center;gap:18px;background:var(--paper);border:var(--bd);border-radius:10px;box-shadow:var(--shadow-sm);padding:15px 20px;transition:transform .18s,box-shadow .18s,background .18s}
.note-row:hover{transform:translate(-2px,-2px);box-shadow:var(--shadow);background:#fff}
.note-row time{font-family:var(--mono);font-size:.8rem;font-weight:700;color:var(--ink-3);width:72px;flex:none}
.note-main{flex:1;min-width:0}
.note-main strong{display:block;font-size:.96rem;font-weight:700;line-height:1.5}
.note-main span{display:block;font-size:.82rem;color:var(--ink-2);margin-top:3px}
.note-row:hover .note-arrow{transform:translateX(4px)}
.notes-hint{font-size:.78rem;color:var(--ink-3);margin:16px 0 0}

/* ---------- 05 联系 ---------- */
.contact-band{border-bottom:none;padding-bottom:88px}
.contact-card{background:var(--sage-soft);border:var(--bd);border-radius:18px;box-shadow:var(--shadow-lg);padding:42px;display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center}
.contact-kicker{font-family:var(--mono);font-size:.76rem;font-weight:700;color:var(--sage);letter-spacing:.06em}
.contact-card h2{font-family:var(--serif);font-size:clamp(1.65rem,2.9vw,2.2rem);font-weight:700;line-height:1.45;margin:12px 0 14px}
.contact-card p{color:var(--ink-2);font-size:.94rem;margin:0 0 24px;max-width:400px}
.contact-list{display:flex;flex-direction:column;gap:10px}
.contact-item{display:flex;align-items:center;gap:11px;background:var(--paper);border:var(--bd);border-radius:9px;box-shadow:var(--shadow-sm);padding:10px 14px;font-size:.88rem;font-weight:600;transition:transform .18s,box-shadow .18s}
.contact-item:hover{transform:translate(-2px,-2px);box-shadow:var(--shadow)}
.ci-icon{width:28px;height:28px;border:1.5px solid var(--ink);border-radius:7px;display:grid;place-items:center;font-size:.85rem;flex:none;background:var(--accent-soft)}
.contact-item:nth-child(2) .ci-icon{background:var(--sage-soft)}
.contact-item:nth-child(3) .ci-icon{background:var(--warm-soft)}
.contact-item:nth-child(4) .ci-icon{background:var(--highlight)}
.ci-val{flex:1;word-break:break-all}
.copy-btn{background:var(--ink);color:var(--paper);border:none;border-radius:6px;font-size:.72rem;font-weight:700;padding:5px 10px;flex:none}
.copy-btn:hover{background:var(--accent)}

/* ---------- 页脚与悬浮 ---------- */
.site-footer{background:var(--ink);color:var(--paper);padding:26px 0}
.footer-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap}
.site-footer p{margin:0;font-size:.83rem;color:#b6c4bb}
.site-footer a{font-size:.83rem;color:#dbe7de;border-bottom:1px solid #7e9387;padding-bottom:2px}
.site-footer a:hover{color:#fff}
.back-to-top{position:fixed;right:22px;bottom:22px;width:44px;height:44px;z-index:90;background:var(--accent);color:#fff;border:var(--bd);border-radius:10px;box-shadow:var(--shadow);display:grid;place-items:center;opacity:0;pointer-events:none;transform:translateY(10px);transition:opacity .22s,transform .22s}
.back-to-top.visible{opacity:1;pointer-events:auto;transform:translateY(0)}
.back-to-top:hover{transform:translateY(-3px)}
.back-to-top svg{width:19px;height:19px}
.toast{position:fixed;left:50%;bottom:30px;transform:translate(-50%,18px);z-index:200;background:var(--ink);color:var(--paper);border:1.5px solid var(--accent);border-radius:8px;padding:10px 18px;font-size:.85rem;font-weight:700;box-shadow:var(--shadow);opacity:0;pointer-events:none;transition:opacity .22s,transform .22s}
.toast.show{opacity:1;transform:translate(-50%,0)}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
    .nav-menu{gap:18px}
    .nav-link{font-size:.85rem}
    .hero-grid{gap:36px}
    .stack-grid{grid-template-columns:repeat(2,1fr)}
    .case-steps{grid-template-columns:repeat(2,1fr)}
    .step:nth-child(2){border-right:none}
    .step:nth-child(-n+2){border-bottom:1.5px solid var(--line)}
}
@media (max-width:768px){
    html{scroll-padding-top:72px}
    .container{width:min(100% - 36px,1120px)}
    .nav-menu{display:none}
    .menu-btn{display:flex}
    .hero{padding:44px 0 48px}
    .hero-grid{grid-template-columns:1fr;gap:34px}
    .terminal{order:-1;max-width:100%}
    .terminal-body{font-size:.78rem;padding:16px 18px 20px}
    .hero h1{font-size:clamp(1.8rem,7vw,2.4rem)}
    .hero h1 br{display:none}
    .hero-sub{font-size:.95rem}
    .band{padding:58px 0}
    .sec-head{gap:12px;margin-bottom:26px}
    .sec-index{padding-top:7px}
    .ability-grid{grid-template-columns:1fr}
    .case-head{padding:20px;flex-direction:column;gap:12px}
    .case-steps{grid-template-columns:1fr}
    .step{border-right:none;border-bottom:1.5px solid var(--line);padding:16px 20px}
    .step:last-child{border-bottom:none}
    .step:nth-child(2){border-bottom:1.5px solid var(--line)}
    .contact-card{grid-template-columns:1fr;gap:26px;padding:26px 20px}
    .note-row{gap:10px;padding:13px 14px}
    .note-row time{width:60px;font-size:.73rem}
    .note-main strong{font-size:.88rem}
    .back-to-top{right:14px;bottom:14px}
}
@media (max-width:520px){
    .stack-grid{grid-template-columns:1fr}
    .hero-actions .btn{width:100%;justify-content:center}
    .strip-inner{gap:7px}
    .strip-tag{font-size:.74rem;padding:2px 9px}
    .footer-inner{flex-direction:column;align-items:flex-start}
}
@media (prefers-reduced-motion:reduce){
    html{scroll-behavior:auto}
    *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}
    html.js .reveal{opacity:1;transform:none}
}

/* ---------- 404 ---------- */
.not-found{min-height:70vh;display:grid;place-items:center;padding:60px 0;text-align:center}
.not-found-card{background:var(--paper);border:var(--bd);border-radius:18px;box-shadow:var(--shadow-lg);padding:44px 38px;max-width:460px}
.not-found-card .nf-code{font-family:var(--mono);font-size:3rem;font-weight:700;color:var(--accent);line-height:1}
.not-found-card h1{font-family:var(--serif);font-size:1.5rem;margin:16px 0 10px}
.not-found-card p{color:var(--ink-2);font-size:.92rem;margin:0 0 24px}