:root{--paper: #f7f1e8;--paper-strong: #fffaf2;--ink: #1f2933;--ink-soft: #4d5965;--ink-muted: #7a8793;--line: rgba(58, 67, 78, .14);--line-strong: rgba(58, 67, 78, .22);--accent: #0f766e;--accent-soft: rgba(15, 118, 110, .1);--accent-line: rgba(15, 118, 110, .16);--warm: #b77935;--warm-soft: rgba(183, 121, 53, .12);--page-bg: radial-gradient(circle at top left, rgba(15, 118, 110, .1), transparent 34rem), linear-gradient(180deg, var(--paper-strong), var(--paper));--header-bg: rgba(247, 241, 232, .78);--nav-hover-bg: rgba(31, 41, 51, .06);--surface-card: rgba(255, 250, 242, .78);--surface-panel: rgba(255, 250, 242, .7);--surface-panel-strong: rgba(255, 250, 242, .76);--surface-chip: rgba(247, 241, 232, .58);--surface-control: rgba(255, 250, 242, .72);--table-head: rgba(183, 121, 53, .09);--code-inline-bg: rgba(31, 41, 51, .06);--code-inline-border: rgba(31, 41, 51, .1);--code-block-bg: #202832;--code-block-text: #f7f1e8;--code-block-border: rgba(31, 41, 51, .18);--brand-gradient-end: #354454;--radius-sm: 10px;--radius-md: 18px;--radius-lg: 28px;--shadow-soft: 0 22px 70px rgba(42, 35, 25, .08);--space: 8px;color-scheme:light;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Microsoft YaHei,sans-serif}:root[data-theme=dark]{--paper: #111821;--paper-strong: #17212c;--ink: #f4eadc;--ink-soft: #c7d0d7;--ink-muted: #8d9aa6;--line: rgba(224, 232, 238, .12);--line-strong: rgba(224, 232, 238, .22);--accent: #5eead4;--accent-soft: rgba(94, 234, 212, .12);--accent-line: rgba(94, 234, 212, .2);--warm: #f0b86b;--warm-soft: rgba(240, 184, 107, .13);--page-bg: radial-gradient(circle at top left, rgba(94, 234, 212, .12), transparent 34rem), radial-gradient(circle at bottom right, rgba(240, 184, 107, .08), transparent 30rem), linear-gradient(180deg, #16212c, #0f151d 72%);--header-bg: rgba(15, 21, 29, .78);--nav-hover-bg: rgba(244, 234, 220, .08);--surface-card: rgba(23, 33, 44, .82);--surface-panel: rgba(23, 33, 44, .72);--surface-panel-strong: rgba(27, 39, 51, .88);--surface-chip: rgba(244, 234, 220, .06);--surface-control: rgba(23, 33, 44, .76);--table-head: rgba(94, 234, 212, .08);--code-inline-bg: rgba(244, 234, 220, .08);--code-inline-border: rgba(244, 234, 220, .12);--code-block-bg: #0b1118;--code-block-text: #f4eadc;--code-block-border: rgba(94, 234, 212, .18);--brand-gradient-end: #223446;--shadow-soft: 0 24px 72px rgba(0, 0, 0, .26);color-scheme:dark}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--page-bg);color:var(--ink);min-height:100vh;line-height:1.7;transition:background .18s ease,color .18s ease}a{color:inherit;text-decoration:none}img{max-width:100%}.shell{width:min(1120px,calc(100% - 32px));margin:0 auto}.site-header{position:sticky;top:0;z-index:10;backdrop-filter:blur(18px);background:var(--header-bg);border-bottom:1px solid var(--line)}.nav-bar{display:flex;align-items:center;justify-content:space-between;gap:calc(var(--space) * 3);min-height:72px}.brand{display:inline-flex;align-items:center;gap:calc(var(--space) * 1.5);font-weight:760;letter-spacing:-.03em}.brand-mark{width:38px;height:38px;flex:0 0 auto;border-radius:50%;object-fit:cover;object-position:center;background:var(--surface-control);box-shadow:0 8px 18px #1f29331f}.nav-links{display:flex;align-items:center;gap:calc(var(--space) * 1.25);flex-wrap:wrap}.nav-actions{display:flex;align-items:center;gap:calc(var(--space) * 1.25);flex-wrap:wrap;justify-content:flex-end}.nav-link{color:var(--ink-soft);font-size:.94rem;padding:8px 12px;border-radius:999px;transition:background .16s ease,color .16s ease}.language-switch{display:inline-flex;align-items:center;justify-content:center;min-height:38px;border:1px solid var(--line);border-radius:999px;padding:0 12px;background:var(--surface-control);color:var(--ink-soft);font-size:.9rem;font-weight:760;transition:transform .16s ease,border-color .16s ease,color .16s ease}.language-switch:hover,.language-switch:focus-visible{transform:translateY(-1px);border-color:var(--line-strong);color:var(--ink);outline:none}.nav-link:hover,.nav-link:focus-visible{color:var(--ink);background:var(--nav-hover-bg);outline:none}.nav-link.active{color:var(--ink);background:var(--accent-soft);box-shadow:inset 0 0 0 1px var(--accent-line)}.theme-toggle{display:inline-flex;align-items:center;gap:7px;min-height:38px;border:1px solid var(--line);border-radius:999px;padding:0 12px;background:var(--surface-control);color:var(--ink-soft);cursor:pointer;font:inherit;font-size:.9rem;font-weight:700;transition:transform .16s ease,border-color .16s ease,background .16s ease,color .16s ease}.theme-toggle:hover,.theme-toggle:focus-visible{transform:translateY(-1px);border-color:var(--line-strong);color:var(--ink);outline:none}.theme-toggle-icon{line-height:1}.main-content{padding:calc(var(--space) * 7) 0 calc(var(--space) * 8)}.hero{position:relative;display:grid;gap:calc(var(--space) * 3.5);padding:calc(var(--space) * 1.5) 0 calc(var(--space) * 2)}.hero:before{content:"";position:absolute;inset:-24px -18px auto auto;width:min(320px,42vw);height:min(320px,42vw);border-radius:999px;background:var(--accent-soft);filter:blur(28px);opacity:.62;pointer-events:none}.hero-heading,.hero-copy{position:relative;z-index:1;display:flex;flex-direction:column;align-items:flex-start}.hero-heading{max-width:980px}.hero-body{position:relative;z-index:1;display:grid;grid-template-columns:minmax(0,1.22fr) minmax(280px,.78fr);gap:calc(var(--space) * 4);align-items:stretch}.hero h1{max-width:980px;text-wrap:balance}.hero-title-accent{display:block;width:fit-content;margin-top:calc(var(--space) * .75);background:linear-gradient(90deg,var(--accent),var(--warm));background-clip:text;color:transparent}.hero-tags{display:flex;flex-wrap:wrap;gap:calc(var(--space) * 1);margin-top:calc(var(--space) * 3)}.hero-tags span{display:inline-flex;align-items:center;min-height:34px;border:1px solid var(--line);border-radius:999px;padding:0 12px;background:var(--surface-chip);color:var(--ink-soft);font-size:.9rem;font-weight:680}.hero-stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1px;width:min(100%,720px);overflow:hidden;margin-top:calc(var(--space) * 4);border:1px solid var(--line);border-radius:var(--radius-md);background:var(--line);box-shadow:var(--shadow-soft)}.hero-stats div{display:grid;gap:2px;padding:calc(var(--space) * 2);background:var(--surface-panel)}.hero-stats strong{color:var(--ink);font-size:clamp(1.45rem,3vw,2rem);line-height:1;letter-spacing:-.04em}.hero-stats span{color:var(--ink-muted);font-size:.88rem}.eyebrow{display:inline-flex;align-items:center;gap:8px;width:fit-content;color:var(--accent);background:var(--accent-soft);border:1px solid var(--accent-line);border-radius:999px;padding:7px 12px;font-size:.88rem;font-weight:680}h1,h2,h3{line-height:1.08;letter-spacing:-.025em;margin:0;color:var(--ink)}h1{font-size:clamp(2.65rem,6.4vw,5.25rem);margin-top:calc(var(--space) * 3)}h2{font-size:clamp(2rem,4vw,3.2rem)}h3{font-size:1.25rem;letter-spacing:-.03em}p{color:var(--ink-soft);margin:0}.lead{font-size:clamp(1.06rem,1.9vw,1.28rem);margin-top:calc(var(--space) * 3);max-width:720px;line-height:1.82}.actions{display:flex;flex-wrap:wrap;gap:calc(var(--space) * 1.5);margin-top:calc(var(--space) * 4)}.button{display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--line-strong);border-radius:999px;min-height:44px;padding:0 18px;font-weight:720;transition:transform .16s ease,border-color .16s ease,background .16s ease}.button:hover,.button:focus-visible{transform:translateY(-1px);border-color:var(--line-strong);outline:none}.button.primary{background:var(--ink);color:var(--paper-strong);border-color:var(--ink)}.button.secondary{background:var(--surface-control)}.card{background:var(--surface-card);border:1px solid var(--line);border-radius:var(--radius-lg);box-shadow:var(--shadow-soft)}.profile-card{position:relative;overflow:hidden;padding:calc(var(--space) * 3);display:grid;gap:calc(var(--space) * 2.5)}.profile-card:before{content:"";position:absolute;inset:0 0 auto;height:5px;background:linear-gradient(90deg,var(--accent),var(--warm))}.profile-card-header{display:flex;align-items:center;gap:calc(var(--space) * 2)}.profile-card-header h2{margin-top:2px;font-size:clamp(1.75rem,3vw,2.25rem)}.profile-card-action{justify-self:start}.profile-initials{display:grid;place-items:center;width:86px;height:86px;border-radius:28px;background:linear-gradient(135deg,var(--ink),var(--brand-gradient-end));color:var(--paper-strong);font-size:2.3rem;font-weight:800;letter-spacing:-.08em}.profile-avatar{width:86px;height:86px;flex:0 0 auto;border:2px solid var(--paper-strong);border-radius:28px;object-fit:cover;object-position:center top;background:var(--surface-control);box-shadow:0 14px 34px #1f293329}.profile-avatar.compact{width:74px;height:74px;border-radius:22px}.identity-hero{display:flex;align-items:flex-start;gap:calc(var(--space) * 2.5)}.identity-hero .eyebrow{margin-top:2px}.resume-title-line{margin-top:calc(var(--space) * .5);color:var(--warm);font-size:clamp(1rem,2vw,1.2rem);font-weight:760;line-height:1.45}.meta-list{display:grid;gap:0;padding:0;margin:0;list-style:none}.meta-list li{display:flex;align-items:baseline;justify-content:space-between;gap:calc(var(--space) * 2);border-bottom:1px solid var(--line);padding:11px 0;color:var(--ink-soft)}.meta-list span{color:var(--ink-muted);font-size:.9rem}.meta-list li:last-child{border-bottom:0;padding-bottom:0}.meta-list strong{color:var(--ink);font-size:.98rem;text-align:right}.resume-list{display:grid;gap:calc(var(--space) * .75);margin:calc(var(--space) * 1.5) 0 0;padding-left:1.2rem;color:var(--ink-soft)}.resume-list li::marker{color:var(--accent)}.section{margin-top:calc(var(--space) * 9)}.section-head{display:flex;align-items:end;justify-content:space-between;gap:calc(var(--space) * 3);margin-bottom:calc(var(--space) * 3.5)}.section-head.capability-head{align-items:center}.section-head.capability-head>p{flex:0 0 auto;max-width:none;white-space:nowrap}.section-head h2{max-width:760px;text-wrap:balance}.section-head p{max-width:620px;line-height:1.78}.grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:calc(var(--space) * 2)}.feature-card,.project-card,.post-card,.resume-block{padding:calc(var(--space) * 3);border:1px solid var(--line);border-radius:var(--radius-md);background:var(--surface-panel);transition:transform .18s ease,border-color .18s ease,background .18s ease,box-shadow .18s ease}.feature-card h3,.project-card h3,.post-card h3,.resume-block h3{font-size:1.18rem;line-height:1.24;letter-spacing:-.025em}.feature-card:hover,.project-card:hover,.post-card:hover{transform:translateY(-3px);border-color:var(--line-strong);background:var(--surface-card);box-shadow:var(--shadow-soft)}.feature-card p,.project-card p,.post-card p,.resume-block p{margin-top:calc(var(--space) * 1.25);line-height:1.78}.project-card p+p,.resume-block p+p{margin-top:calc(var(--space) * 1.25)}.project-card strong,.resume-block strong{color:var(--ink)}.project-card-detailed{display:grid;gap:calc(var(--space) * 1.5);align-content:start}.project-detail-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.project-detail-list{display:grid;gap:calc(var(--space) * 1.25)}.project-detail{display:grid;gap:4px;border-top:1px solid var(--line);padding-top:calc(var(--space) * 1.25)}.project-detail span{color:var(--warm);font-size:.82rem;font-weight:800}.project-detail p{margin-top:0}.project-review-link{color:var(--accent);font-weight:760}.capability-card{position:relative;min-height:220px;display:grid;align-content:start;gap:calc(var(--space) * 1.5)}.capability-index{width:fit-content;color:var(--warm);font-size:.8rem;font-weight:820;letter-spacing:.12em}.capability-card p{margin-top:0}.capability-card a{align-self:end;color:var(--accent);font-weight:760;margin-top:calc(var(--space) * 1)}.project-grid .project-card,.home-post-grid .post-card{min-height:100%}.home-post-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:calc(var(--space) * 2)}.tag{display:inline-flex;border:1px solid var(--line);border-radius:999px;padding:5px 10px;color:var(--ink-soft);background:var(--surface-chip);font-size:.84rem}.certificate-showcase{margin-top:calc(var(--space) * 3);padding:calc(var(--space) * 3);border:1px solid var(--line);border-radius:var(--radius-lg);background:var(--surface-panel-strong)}.certificate-showcase-head{display:flex;align-items:end;justify-content:space-between;gap:calc(var(--space) * 3);margin-bottom:calc(var(--space) * 2.5)}.certificate-showcase-head h3{font-size:clamp(1.45rem,2.4vw,2rem);letter-spacing:-.04em}.certificate-showcase-head p{max-width:360px;color:var(--ink-muted);font-size:.94rem;line-height:1.65}.certificate-grid{display:grid;gap:calc(var(--space) * 2)}.certificate-grid.featured{grid-template-columns:repeat(3,minmax(0,1fr))}.certificate-grid.compact{grid-template-columns:repeat(4,minmax(0,1fr))}.certificate-card{overflow:hidden;border:1px solid var(--line);border-radius:var(--radius-md);background:var(--surface-card);transition:transform .18s ease,border-color .18s ease,box-shadow .18s ease}.certificate-card:hover{transform:translateY(-3px);border-color:var(--line-strong);box-shadow:var(--shadow-soft)}.certificate-card a{display:grid;place-items:center;aspect-ratio:4 / 3;padding:calc(var(--space) * 1.25);background:linear-gradient(135deg,var(--surface-chip),transparent),var(--paper-strong)}.certificate-card.compact a{aspect-ratio:3 / 4}.certificate-card img{width:100%;height:100%;object-fit:contain;border-radius:var(--radius-sm)}.certificate-caption{padding:calc(var(--space) * 1.75) calc(var(--space) * 2);border-top:1px solid var(--line)}.certificate-caption h4{color:var(--ink);font-size:1rem;line-height:1.35;letter-spacing:-.02em}.certificate-caption p{margin-top:calc(var(--space) * .75);color:var(--ink-soft);font-size:.9rem;line-height:1.62}.certificate-more{margin-top:calc(var(--space) * 2.5);border-top:1px solid var(--line);padding-top:calc(var(--space) * 2.5)}.certificate-more summary{display:flex;align-items:center;justify-content:space-between;gap:calc(var(--space) * 2);margin-bottom:calc(var(--space) * 2);padding:calc(var(--space) * 1.5) calc(var(--space) * 2);border:1px solid var(--line);border-radius:999px;background:var(--surface-control);color:var(--ink);cursor:pointer;font-weight:760;list-style:none}.certificate-more summary::-webkit-details-marker{display:none}.certificate-more summary:after{content:"展开";color:var(--accent);font-size:.86rem}.certificate-more[open] summary:after{content:"收起"}.certificate-more summary:focus-visible{outline:2px solid var(--accent-line);outline-offset:3px}.certificate-more summary small{color:var(--ink-muted);font-size:.84rem;font-weight:700}.timeline{display:grid;gap:calc(var(--space) * 2)}.timeline-item{display:grid;grid-template-columns:170px minmax(0,1fr);gap:calc(var(--space) * 3);padding:calc(var(--space) * 3);border:1px solid var(--line);border-radius:var(--radius-md);background:var(--surface-panel)}.timeline-item h3{font-size:1.2rem;line-height:1.25}.timeline-item p{margin-top:calc(var(--space) * 1.25);line-height:1.78}.timeline-time{color:var(--warm);font-size:.94rem;font-weight:760;line-height:1.45}.page-title{max-width:920px}.page-title h1{max-width:860px;font-size:clamp(2.45rem,5.4vw,4.6rem);text-wrap:balance}.page-title p{margin-top:calc(var(--space) * 2);font-size:1.08rem;line-height:1.82;max-width:760px}.blog-list{display:grid;gap:calc(var(--space) * 2)}.post-card{display:grid;gap:calc(var(--space) * 1.15)}.post-meta{color:var(--ink-muted);font-size:.92rem}.article{max-width:820px;margin:0 auto}.article-header{margin-bottom:calc(var(--space) * 6);padding-bottom:calc(var(--space) * 4);border-bottom:1px solid var(--line)}.article-content{display:grid;gap:calc(var(--space) * 2.25);color:var(--ink-soft);font-size:1.04rem;line-height:1.86}.article-content h2,.article-content h3{color:var(--ink);scroll-margin-top:96px}.article-content h2{display:flex;align-items:center;gap:calc(var(--space) * 1.25);margin-top:calc(var(--space) * 5);padding-top:calc(var(--space) * 2);font-size:clamp(1.65rem,3vw,2.35rem)}.article-content h2:before{content:"";width:8px;height:1.15em;border-radius:999px;background:var(--accent)}.article-content h3{margin-top:calc(var(--space) * 3.5);font-size:1.25rem;letter-spacing:-.025em}.article-content p{color:var(--ink-soft)}.article-content strong{color:var(--ink);font-weight:760}.article-content ul,.article-content ol{color:var(--ink-soft);margin:0;padding-left:1.45rem}.article-content li+li{margin-top:.45rem}.article-content blockquote{margin:calc(var(--space) * 1.5) 0;padding:calc(var(--space) * 2.5);border:1px solid var(--accent-line);border-left:5px solid var(--accent);border-radius:var(--radius-md);background:var(--accent-soft)}.article-content blockquote p{color:var(--ink)}.article-content blockquote p+p{margin-top:calc(var(--space) * 1.25)}.article-content table{width:100%;border-collapse:collapse;overflow:hidden;border:1px solid var(--line);border-radius:var(--radius-md);background:var(--surface-panel-strong);box-shadow:0 14px 42px #2a23190d}.article-content th,.article-content td{padding:calc(var(--space) * 1.35) calc(var(--space) * 1.5);border-bottom:1px solid var(--line);text-align:left;vertical-align:top}.article-content th{color:var(--ink);background:var(--table-head);font-size:.92rem;font-weight:780}.article-content tr:last-child td{border-bottom:0}.article-content code{border:1px solid var(--code-inline-border);border-radius:7px;padding:.12em .38em;background:var(--code-inline-bg);color:var(--ink);font-size:.92em}.article-content pre{overflow-x:auto;margin:calc(var(--space) * 1.5) 0;padding:calc(var(--space) * 2.25);border:1px solid var(--code-block-border);border-radius:var(--radius-md);background:var(--code-block-bg);box-shadow:0 18px 54px #1f293324}.article-content pre code{border:0;padding:0;background:transparent;color:var(--code-block-text);font-size:.93rem;line-height:1.75}.article-content a{color:var(--accent);font-weight:700;text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:.2em}.site-footer{border-top:1px solid var(--line);padding:calc(var(--space) * 4) 0;color:var(--ink-muted)}@media(max-width:860px){.hero-body,.grid,.timeline-item{grid-template-columns:1fr}.hero{padding-top:0}.hero:before{inset:-16px 0 auto auto;width:220px;height:220px}.hero h1{max-width:720px;font-size:clamp(2.25rem,8.6vw,3.85rem)}.page-title h1{font-size:clamp(2.15rem,7.4vw,3.65rem)}.home-post-grid,.project-detail-grid{grid-template-columns:1fr}.certificate-grid.featured,.certificate-grid.compact{grid-template-columns:repeat(2,minmax(0,1fr))}.section-head{align-items:start;flex-direction:column;gap:calc(var(--space) * 1.5)}.certificate-showcase-head{align-items:start;flex-direction:column}.nav-bar{align-items:flex-start;flex-direction:column;padding:16px 0}.nav-actions{justify-content:flex-start}}@media(max-width:560px){.shell{width:min(100% - 22px,1120px)}.main-content{padding:calc(var(--space) * 4) 0 calc(var(--space) * 6)}.nav-links{gap:4px}.nav-link{padding:6px 9px}.theme-toggle{min-height:34px;padding:0 10px;font-size:.84rem}.hero{gap:calc(var(--space) * 2.5)}.hero h1{font-size:clamp(2rem,10.5vw,2.82rem);letter-spacing:-.03em}.page-title h1{font-size:clamp(1.95rem,10vw,2.72rem);letter-spacing:-.03em}.lead{font-size:1rem;line-height:1.72}.actions,.actions .button{width:100%}.hero-tags span{min-height:31px;font-size:.84rem}.hero-stats{grid-template-columns:1fr;margin-top:calc(var(--space) * 3)}.hero-stats div{padding:calc(var(--space) * 1.6)}.profile-card,.feature-card,.project-card,.post-card,.resume-block{padding:calc(var(--space) * 2.25)}.feature-card h3,.project-card h3,.post-card h3,.resume-block h3,.timeline-item h3{font-size:1.12rem}.feature-card p,.project-card p,.post-card p,.resume-block p,.timeline-item p,.page-title p{line-height:1.72}.timeline-item,.certificate-showcase{padding:calc(var(--space) * 2.25)}.certificate-grid.featured,.certificate-grid.compact{grid-template-columns:1fr}.certificate-card a,.certificate-card.compact a{aspect-ratio:4 / 3}.certificate-more summary{align-items:start;flex-direction:column;padding:calc(var(--space) * 1.25) calc(var(--space) * 1.5);border-radius:var(--radius-md)}.certificate-caption{padding:calc(var(--space) * 1.5)}.certificate-caption h4{font-size:.95rem}.certificate-caption p{font-size:.85rem}.profile-card-header{align-items:flex-start}.profile-initials{width:68px;height:68px;border-radius:22px;font-size:1.9rem}.profile-avatar{width:68px;height:68px;border-radius:22px}.profile-avatar.compact{width:62px;height:62px;border-radius:18px}.identity-hero{flex-direction:column;gap:calc(var(--space) * 1.75)}.section{margin-top:calc(var(--space) * 6)}.section-head{margin-bottom:calc(var(--space) * 2)}.section-head h2{font-size:clamp(1.75rem,10vw,2.35rem)}.capability-card{min-height:auto}.article-content{font-size:1rem}.article-content h2{align-items:flex-start}.article-content table{display:block;overflow-x:auto;white-space:nowrap}}