:root{--font-sans:"Microsoft YaHei", "PingFang SC", "Noto Sans CJK SC", system-ui, sans-serif;--font-serif:"Songti SC", "STSong", "SimSun", Georgia, serif;--ink:#14221e;--muted:#687570;--paper:#f7f6f0;--surface:#fffef9;--line:#dcded5;--teal:#0b6b58;--teal-dark:#064a3d;--lime:#b9ee5e;--orange:#ef8055;--blue:#789ea5;--shadow:0 18px 55px #1b322b17}[data-theme=dark]{--ink:#e9eee8;--muted:#a3aea8;--paper:#111916;--surface:#18231f;--line:#304039;--teal:#5fc7ad;--teal-dark:#8adbc7;--lime:#b9ee5e;--shadow:0 18px 55px #00000042}*{box-sizing:border-box}html{scroll-behavior:smooth}body{color:var(--ink);background:var(--paper);font-family:var(--font-sans);margin:0;line-height:1.65}a{color:inherit;text-decoration:none}button,input{font:inherit}.container{width:min(1160px,100% - 40px);margin-inline:auto}.container-narrow{width:min(760px,100% - 40px);margin-inline:auto}.site-header{z-index:50;border-bottom:1px solid color-mix(in srgb, var(--line) 70%, transparent);background:color-mix(in srgb, var(--paper) 88%, transparent);-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);position:sticky;top:0}.nav-shell{justify-content:space-between;align-items:center;gap:28px;min-height:72px;display:flex}.brand{letter-spacing:.04em;align-items:center;gap:11px;font-weight:800;display:inline-flex}.brand-mark{color:#f7f6f0;background:var(--teal-dark);width:35px;height:35px;font-family:var(--font-serif);border-radius:50% 50% 47% 43%;place-items:center;display:grid}.nav-links{align-items:center;gap:30px;margin-left:auto;font-size:14px;font-weight:650;display:flex}.nav-links a{color:var(--muted);transition:color .2s}.nav-links a:hover{color:var(--teal)}.nav-actions{gap:8px;display:flex}.icon-button{width:38px;height:38px;color:var(--ink);border:1px solid var(--line);background:var(--surface);cursor:pointer;border-radius:50%;place-items:center;display:grid}.menu-button{display:none}.hero{border-bottom:1px solid var(--line);overflow:hidden}.hero-grid{grid-template-columns:1.08fr .92fr;align-items:center;gap:70px;min-height:620px;padding-block:80px;display:grid}.eyebrow,.kicker{color:var(--teal);letter-spacing:.16em;text-transform:uppercase;font-size:12px;font-weight:800}.eyebrow{align-items:center;gap:10px;margin-bottom:22px;display:flex}.status-dot{background:var(--lime);width:8px;height:8px;box-shadow:0 0 0 5px color-mix(in srgb, var(--lime) 25%, transparent);border-radius:50%}.hero h1{max-width:690px;font-family:var(--font-serif);letter-spacing:-.055em;margin:0;font-size:clamp(44px,6vw,74px);font-weight:700;line-height:1.13}.hero h1 em{color:var(--teal);font-style:normal;display:block}.hero-copy>p{max-width:580px;color:var(--muted);margin:28px 0;font-size:17px;line-height:1.9}.hero-actions{gap:12px;margin-bottom:28px;display:flex}.button{border:1px solid var(--line);border-radius:6px;justify-content:center;align-items:center;gap:10px;min-height:48px;padding:0 21px;font-size:14px;font-weight:750;display:inline-flex}.button.primary{color:#fff;border-color:var(--teal-dark);background:var(--teal-dark)}.button.primary:hover{transform:translateY(-2px)}.button.secondary{background:var(--surface)}.trust-list{color:var(--muted);gap:22px;font-size:12px;display:flex}.trust-list span{align-items:center;gap:7px;display:inline-flex}.trust-list svg{color:var(--teal)}.hero-art{aspect-ratio:1;border:1px solid var(--line);background:linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px);background-size:32px 32px;border-radius:50%;position:relative;transform:rotate(-4deg)}.radar-ring{border:1px solid color-mix(in srgb, var(--teal) 42%, transparent);border-radius:50%;position:absolute;inset:14%}.ring-two{inset:28%}.ring-three{inset:41%}.radar-core{color:var(--teal-dark);background:var(--lime);box-shadow:0 0 0 18px color-mix(in srgb, var(--lime) 22%, transparent);border-radius:50%;place-items:center;display:grid;position:absolute;inset:41%}.art-label{z-index:2;color:var(--teal-dark);background:var(--lime);letter-spacing:.12em;padding:5px 9px;font-family:monospace;font-size:11px;font-weight:800;position:absolute}.label-one{top:18%;left:-3%}.label-two{color:#fff;background:var(--teal-dark);bottom:22%;right:-1%}.signal-line{background:var(--orange);transform-origin:0;height:1px;position:absolute}.signal-one{width:44%;top:49%;left:50%;transform:rotate(-29deg)}.signal-two{width:30%;top:50%;left:20%;transform:rotate(52deg)}.category-strip{border-bottom:1px solid var(--line);background:var(--surface)}.category-grid{grid-template-columns:repeat(auto-fit,minmax(205px,1fr));display:grid}.category-grid>a{border-right:1px solid var(--line);align-items:center;gap:14px;min-height:112px;padding:24px;display:flex}.category-grid>a:first-child{border-left:1px solid var(--line)}.category-grid>a>svg:first-child{color:var(--teal)}.category-grid>a>svg:last-child{margin-left:auto}.category-grid span{display:grid}.category-grid strong{font-size:14px}.category-grid small{color:var(--muted);font-size:11px}.section{padding-block:100px}.section-tinted{background:color-mix(in srgb, var(--teal) 5%, var(--paper));border-block:1px solid var(--line)}.section-heading{justify-content:space-between;align-items:end;gap:30px;margin-bottom:36px;display:flex}.section-heading h2,.newsletter h2{font-family:var(--font-serif);letter-spacing:-.04em;margin:7px 0 0;font-size:clamp(30px,4vw,43px);line-height:1.25}.section-heading>p{max-width:380px;color:var(--muted);margin:0;font-size:14px}.text-link{color:var(--teal);align-items:center;gap:8px;font-size:13px;font-weight:750;display:inline-flex}.post-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;display:grid}.post-card{border:1px solid var(--line);background:var(--surface);border-radius:8px;flex-direction:column;min-width:0;transition:transform .2s,box-shadow .2s;display:flex;overflow:hidden}.post-card:hover{box-shadow:var(--shadow);transform:translateY(-4px)}.card-visual{border-bottom:1px solid var(--line);min-height:185px;position:relative;overflow:hidden}.accent-teal{background:#c5ddd3}.accent-orange{background:#f4c7af}.accent-blue{background:#b9d1d6}.accent-lime{background:#d9efa9}.accent-violet{background:#d3c9e3}.visual-grid{opacity:.35;background-color:#0000;background-image:linear-gradient(#284c42 1px,#0000 1px),linear-gradient(90deg,#284c42 1px,#0000 1px);background-position:0 0,0 0;background-repeat:repeat,repeat;background-size:28px 28px;background-attachment:scroll,scroll;background-origin:padding-box,padding-box;background-clip:border-box,border-box;position:absolute;inset:0}.visual-orbit{border:1px solid #284c42;border-radius:50%;width:190px;height:190px;position:absolute;top:36px;right:-12px;box-shadow:0 0 0 22px #ffffff2e,0 0 0 45px #ffffff1f}.visual-dot{background:#164e40;border-radius:50%;width:22px;height:22px;position:absolute;top:52px;right:102px;box-shadow:0 0 0 9px #fff6}.card-number{color:#fff;letter-spacing:.16em;background:#183f35;padding:4px 8px;font:700 10px/1.4 monospace;position:absolute;bottom:18px;left:20px}.card-body{flex-direction:column;flex:1;padding:23px;display:flex}.post-meta{color:var(--muted);align-items:center;gap:12px;font-size:11px;display:flex}.post-meta a{color:var(--teal);font-weight:800}.post-meta a:after{content:"";vertical-align:middle;background:var(--line);border-radius:50%;width:3px;height:3px;margin-left:12px;display:inline-block}.post-card h3{font-family:var(--font-serif);margin:13px 0 10px;font-size:21px;line-height:1.45}.post-card h3 a:hover{color:var(--teal)}.post-card p{color:var(--muted);margin:0 0 22px;font-size:13px}.card-footer{border-top:1px solid var(--line);color:var(--muted);justify-content:space-between;align-items:center;margin-top:auto;padding-top:16px;font-size:11px;display:flex}.card-footer span,.card-footer a{align-items:center;gap:6px;display:inline-flex}.card-footer a{color:var(--teal);font-weight:750}.featured-card{grid-template-columns:1.05fr .95fr;min-height:400px;display:grid}.featured-card .card-visual{border-right:1px solid var(--line);border-bottom:0}.featured-card .card-body{justify-content:center;padding:clamp(32px,5vw,60px)}.featured-card h3{letter-spacing:-.035em;font-size:clamp(28px,3.2vw,42px)}.featured-card .visual-orbit{width:340px;height:340px;top:40px}.featured-card .visual-dot{top:91px;right:180px}.newsletter{color:#eef6ef;box-shadow:var(--shadow);background:#123f35;border-radius:10px;grid-template-columns:1fr .8fr;align-items:center;gap:80px;margin-block:100px;padding:clamp(34px,6vw,70px);display:grid}.newsletter .kicker{color:var(--lime)}.newsletter p{color:#b9cbc5;margin-bottom:0;font-size:14px}.signup-form{grid-template-columns:1fr auto;gap:9px;display:grid}.signup-form input,.signup-form button{border:0;border-radius:4px;min-height:48px}.signup-form input{color:#14221e;background:#fff;min-width:0;padding:0 16px}.signup-form button{color:#163d34;background:var(--lime);cursor:pointer;padding:0 18px;font-weight:800}.signup-form small{color:#8fa9a1;grid-column:1/-1;font-size:10px}.archive-page{min-height:65vh;padding-block:85px 110px}.archive-header{max-width:700px;margin-bottom:46px}.archive-header h1,.simple-page h1{font-family:var(--font-serif);letter-spacing:-.05em;margin:9px 0 12px;font-size:clamp(42px,6vw,68px);line-height:1.18}.archive-header p,.simple-page .lead{color:var(--muted);font-size:17px}.product-promo{color:#effaf5;box-shadow:var(--shadow);background:radial-gradient(circle at 85% 15%,#b9ee5e38,#0000 32%),#123f35;border-radius:12px;grid-template-columns:1.2fr .8fr;align-items:center;gap:34px;margin:-10px 0 48px;padding:clamp(28px,5vw,50px);display:grid}.promo-label{color:var(--lime);letter-spacing:.16em;margin-bottom:12px;font-size:11px;font-weight:800;display:inline-block}.product-promo h2{font-family:var(--font-serif);margin:0 0 14px;font-size:clamp(28px,4vw,42px);line-height:1.25}.product-promo p{color:#bdd0c9;margin:0;font-size:14px}.promo-actions{gap:10px;display:grid}.promo-actions .button{width:100%}.promo-actions .primary{color:#163d34;border-color:var(--lime);background:var(--lime)}.promo-actions .secondary{color:#fff;background:#ffffff14;border-color:#ffffff3d}.promo-actions small{color:#91aaa1;text-align:center}.search-box{border:1px solid var(--line);background:var(--surface);max-width:750px;box-shadow:var(--shadow);border-radius:7px;align-items:center;gap:12px;padding:0 18px;display:flex}.search-box input{width:100%;height:58px;color:var(--ink);background:0 0;border:0;outline:0}.filter-row{flex-wrap:wrap;align-items:center;gap:8px;margin:24px 0 34px;display:flex}.filter{color:var(--muted);border:1px solid var(--line);cursor:pointer;background:0 0;border-radius:999px;padding:7px 14px}.filter.active{color:#fff;border-color:var(--teal-dark);background:var(--teal-dark)}.result-count{color:var(--muted);margin-left:auto;font-size:12px}.empty-state{text-align:center;border:1px dashed var(--line);padding:70px 20px}.article{padding-top:70px}.back-link{color:var(--muted);align-items:center;gap:7px;margin-bottom:35px;font-size:12px;display:inline-flex}.article-meta span{align-items:center;gap:5px;display:inline-flex}.article-header h1{font-family:var(--font-serif);letter-spacing:-.055em;margin:20px 0;font-size:clamp(40px,6vw,66px);line-height:1.18}.article-header>p{color:var(--muted);font-size:18px;line-height:1.8}.byline{align-items:center;gap:11px;margin-top:30px;display:flex}.author-mark{color:#fff;background:var(--teal-dark);width:36px;height:36px;font-family:var(--font-serif);border-radius:50%;place-items:center;display:grid}.byline>span:nth-child(2){display:grid}.byline strong{font-size:12px}.byline small{color:var(--muted);font-size:10px}.share-button{color:var(--muted);border:1px solid var(--line);background:var(--surface);border-radius:20px;align-items:center;gap:6px;margin-left:auto;padding:7px 12px;display:inline-flex}.article-cover{border:1px solid var(--line);border-radius:8px;width:min(1040px,100% - 40px);height:min(420px,45vw);margin:60px auto 70px;position:relative;overflow:hidden}.cover-word{color:#14372ec7;letter-spacing:-.1em;text-transform:uppercase;font:800 clamp(70px,15vw,190px)/1 monospace;position:absolute;bottom:-16%;right:4%}.article-layout{grid-template-columns:160px minmax(0,700px);justify-content:center;gap:60px;padding-bottom:100px;display:grid}.article-aside{color:var(--muted);align-self:start;gap:7px;font-size:11px;display:grid;position:sticky;top:100px}.article-aside strong{color:var(--ink);margin-bottom:5px}.prose{min-width:0;font-size:16px;line-height:2}.prose h2{font-family:var(--font-serif);letter-spacing:-.03em;margin:2.2em 0 .6em;font-size:31px;line-height:1.35}.prose h3{margin-top:2em;font-size:20px}.prose p,.prose li{color:color-mix(in srgb, var(--ink) 86%, var(--muted))}.prose a{color:var(--teal);border-bottom:1px solid}.prose blockquote{border-left:3px solid var(--teal);background:color-mix(in srgb, var(--teal) 7%, var(--surface));margin:32px 0;padding:20px 25px}.prose table{border-collapse:collapse;width:100%;margin:30px 0;font-size:14px}.prose th,.prose td{text-align:left;border:1px solid var(--line);padding:12px}.prose th{background:color-mix(in srgb, var(--teal) 8%, var(--surface))}.article-notice{color:var(--muted);border:1px solid var(--line);background:var(--surface);border-radius:6px;margin-top:55px;padding:20px;font-size:12px;line-height:1.8}.related-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.simple-page{min-height:65vh;padding-block:90px 120px}.simple-page h2{font-family:var(--font-serif);margin:45px 0 10px;font-size:28px}.simple-page p:not(.lead){color:var(--muted);line-height:2}.site-footer{color:#c4d1cc;background:#102b24;padding-top:65px}.footer-grid{grid-template-columns:2fr 1fr 1fr;gap:70px;padding-bottom:55px;display:grid}.footer-brand{color:#fff}.footer-grid p{color:#859b94;max-width:330px;font-size:13px}.footer-grid>div:not(:first-child){align-content:start;gap:10px;font-size:12px;display:grid}.footer-grid strong{color:#fff;margin-bottom:7px}.footer-grid a{color:#93aaa2}.footer-bottom{color:#728b83;border-top:1px solid #28453d;justify-content:space-between;padding-block:20px;font-size:10px;display:flex}.sr-only{clip:rect(0, 0, 0, 0);width:1px;height:1px;position:absolute;overflow:hidden}@media (max-width:900px){.hero-grid{grid-template-columns:1fr;gap:55px;min-height:auto}.hero-art{width:min(520px,90%);margin-inline:auto}.category-grid{grid-template-columns:repeat(2,1fr)}.post-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.featured-card{grid-template-columns:1fr}.featured-card .card-visual{border-right:0;border-bottom:1px solid var(--line);min-height:320px}.newsletter{grid-template-columns:1fr;gap:35px}.product-promo{grid-template-columns:1fr}}@media (max-width:680px){.container,.container-narrow{width:min(100% - 28px,1160px)}.nav-links{border:1px solid var(--line);background:var(--surface);box-shadow:var(--shadow);border-radius:8px;flex-direction:column;align-items:stretch;gap:0;padding:10px;display:none;position:absolute;top:72px;left:14px;right:14px}.nav-links.open{display:flex}.nav-links a{padding:13px}.menu-button{display:grid}.hero-grid{padding-block:60px}.hero h1{font-size:43px}.hero-actions,.trust-list{flex-direction:column;align-items:stretch}.hero-art{width:95%}.category-grid,.post-grid,.related-grid,.footer-grid{grid-template-columns:1fr}.category-grid>a,.category-grid>a:first-child{border:0;border-bottom:1px solid var(--line)}.section{padding-block:72px}.section-heading{flex-direction:column;align-items:start}.featured-card .card-visual{min-height:240px}.newsletter{width:calc(100% - 28px);margin-block:70px}.signup-form{grid-template-columns:1fr}.article{padding-top:45px}.article-cover{width:calc(100% - 28px);height:260px;margin-block:40px 50px}.article-layout{grid-template-columns:1fr;gap:35px}.article-aside{flex-wrap:wrap;display:flex;position:static}.article-aside strong{width:100%}.prose{font-size:15px}.footer-bottom{flex-direction:column;gap:12px}}