@layer theme{:root,:host{--font-sans:ui-sans-serif, system-ui, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";--font-mono:ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;--spacing:.25rem;--default-font-family:var(--font-sans);--default-mono-font-family:var(--font-mono)}}@layer base{*,:after,:before,::backdrop{box-sizing:border-box;border:0 solid;margin:0;padding:0}::file-selector-button{box-sizing:border-box;border:0 solid;margin:0;padding:0}html,:host{-webkit-text-size-adjust:100%;tab-size:4;line-height:1.5;font-family:var(--default-font-family,ui-sans-serif, system-ui, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji");font-feature-settings:var(--default-font-feature-settings,normal);font-variation-settings:var(--default-font-variation-settings,normal);-webkit-tap-highlight-color:transparent}hr{height:0;color:inherit;border-top-width:1px}abbr:where([title]){-webkit-text-decoration:underline dotted;text-decoration:underline dotted}h1,h2,h3,h4,h5,h6{font-size:inherit;font-weight:inherit}a{color:inherit;-webkit-text-decoration:inherit;-webkit-text-decoration:inherit;-webkit-text-decoration:inherit;-webkit-text-decoration:inherit;text-decoration:inherit}b,strong{font-weight:bolder}code,kbd,samp,pre{font-family:var(--default-mono-font-family,ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace);font-feature-settings:var(--default-mono-font-feature-settings,normal);font-variation-settings:var(--default-mono-font-variation-settings,normal);font-size:1em}small{font-size:80%}sub,sup{vertical-align:baseline;font-size:75%;line-height:0;position:relative}sub{bottom:-.25em}sup{top:-.5em}table{text-indent:0;border-color:inherit;border-collapse:collapse}:-moz-focusring{outline:auto}progress{vertical-align:baseline}summary{display:list-item}ol,ul,menu{list-style:none}img,svg,video,canvas,audio,iframe,embed,object{vertical-align:middle;display:block}img,video{max-width:100%;height:auto}button,input,select,optgroup,textarea{font:inherit;font-feature-settings:inherit;font-variation-settings:inherit;letter-spacing:inherit;color:inherit;opacity:1;background-color:#0000;border-radius:0}::file-selector-button{font:inherit;font-feature-settings:inherit;font-variation-settings:inherit;letter-spacing:inherit;color:inherit;opacity:1;background-color:#0000;border-radius:0}:where(select:is([multiple],[size])) optgroup{font-weight:bolder}:where(select:is([multiple],[size])) optgroup option{padding-inline-start:20px}::file-selector-button{margin-inline-end:4px}::placeholder{opacity:1}@supports (not ((-webkit-appearance:-apple-pay-button))) or (contain-intrinsic-size:1px){::placeholder{color:currentColor}@supports (color:color-mix(in lab, red, red)){::placeholder{color:color-mix(in oklab, currentcolor 50%, transparent)}}}textarea{resize:vertical}::-webkit-search-decoration{-webkit-appearance:none}::-webkit-date-and-time-value{min-height:1lh;text-align:inherit}::-webkit-datetime-edit{display:inline-flex}::-webkit-datetime-edit-fields-wrapper{padding:0}::-webkit-datetime-edit{padding-block:0}::-webkit-datetime-edit-year-field{padding-block:0}::-webkit-datetime-edit-month-field{padding-block:0}::-webkit-datetime-edit-day-field{padding-block:0}::-webkit-datetime-edit-hour-field{padding-block:0}::-webkit-datetime-edit-minute-field{padding-block:0}::-webkit-datetime-edit-second-field{padding-block:0}::-webkit-datetime-edit-millisecond-field{padding-block:0}::-webkit-datetime-edit-meridiem-field{padding-block:0}::-webkit-calendar-picker-indicator{line-height:1}:-moz-ui-invalid{box-shadow:none}button,input:where([type=button],[type=reset],[type=submit]){appearance:button}::file-selector-button{appearance:button}::-webkit-inner-spin-button{height:auto}::-webkit-outer-spin-button{height:auto}[hidden]:where(:not([hidden=until-found])){display:none!important}}@layer components;@layer utilities{.relative{position:relative}.start{inset-inline-start:var(--spacing)}}:root{--paper:#f3eee4;--paper-light:#fbf8f1;--ink:#17211e;--ink-soft:#3d4843;--muted:#737a75;--line:#d8d1c5;--jade:#176b52;--jade-dark:#0e4b3a;--jade-light:#dcebe4;--amber:#c4822c;--serif:"Songti SC", "STSong", "Noto Serif CJK SC", serif;--sans:"PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth;background:var(--paper)}body{color:var(--ink);background:radial-gradient(circle at 82% 8%, #176b5212, transparent 24rem), linear-gradient(#17211e06 1px, transparent 1px), var(--paper);font-family:var(--sans);background-size:auto,100% 30px,auto;margin:0;font-size:15px}a{color:inherit;text-decoration:none}button,input{font:inherit}button{color:inherit}.site-header{z-index:20;border-bottom:1px solid #17211e24;align-items:center;gap:34px;width:min(1240px,100% - 48px);height:82px;margin:0 auto;display:flex;position:relative}.brand{align-items:center;gap:11px;margin-right:auto;display:flex}.brand-mark{width:38px;height:38px;color:var(--paper-light);background:var(--ink);border-radius:50% 50% 50% 14%;place-items:center;font-family:Georgia,serif;font-size:18px;font-weight:700;display:grid}.brand strong{font-family:var(--serif);letter-spacing:.08em;font-size:18px;display:block}.brand small{color:var(--muted);letter-spacing:.19em;margin-top:2px;font-size:8px;display:block}.header-nav{align-items:center;gap:28px;display:flex}.header-nav a{color:#4f5853;font-size:13px;transition:color .2s}.header-nav a:hover{color:var(--jade)}.saved-button{border:1px solid var(--ink);cursor:pointer;background:0 0;border-radius:999px;padding:8px 13px;font-size:12px}.saved-button span{min-width:20px;color:var(--paper-light);background:var(--ink);border-radius:99px;margin-left:5px;padding:2px 5px;display:inline-block}.menu-button{cursor:pointer;background:0 0;border:0;font-size:22px;display:none}.hero{grid-template-columns:minmax(0,1.1fr) minmax(370px,.9fr);align-items:center;gap:60px;width:min(1240px,100% - 48px);min-height:580px;margin:0 auto;padding:78px 4vw 90px;display:grid}.kicker{color:var(--jade);letter-spacing:.14em;align-items:center;gap:9px;margin:0 0 20px;font-size:11px;font-weight:700;display:flex}.kicker span{background:currentColor;width:28px;height:1px}.kicker.light{color:#9bd1bf}.hero h1{font-family:var(--serif);letter-spacing:-.035em;margin:0;font-size:clamp(52px,6vw,82px);font-weight:600;line-height:1.07}.hero h1 em{color:var(--jade);font-style:normal}.hero-description{max-width:600px;color:var(--ink-soft);margin:30px 0 0;font-size:17px;line-height:1.95}.hero-actions{align-items:center;gap:24px;margin-top:38px;display:flex}.primary-action{color:#fff;background:var(--ink);border-radius:3px;align-items:center;gap:34px;padding:14px 20px;font-weight:600;display:inline-flex}.primary-action span{color:#98cab9}.secondary-action{border-bottom:1px solid var(--ink);padding-bottom:5px;font-size:13px}.signal-orbit{aspect-ratio:1;place-items:center;width:min(440px,100%);margin-left:auto;display:grid;position:relative}.orbit{border:1px solid #176b523b;border-radius:50%;position:absolute}.orbit-one{inset:8%}.orbit-two{border-style:dashed;inset:23%}.orbit:before,.orbit:after{content:"";background:var(--amber);border-radius:50%;width:9px;height:9px;position:absolute}.orbit-one:before{top:24%;left:11%}.orbit-one:after{background:var(--jade);bottom:30%;right:6%}.orbit-two:before{width:6px;height:6px;top:3%;right:19%}.orbit-two:after{background:var(--jade);width:6px;height:6px;bottom:19%;left:4%}.orbit-core{color:#fff;background:var(--jade);border-radius:50%;flex-direction:column;justify-content:center;align-items:center;width:164px;height:164px;display:flex;box-shadow:0 22px 50px #0e4b3a3b}.orbit-core span{letter-spacing:.18em;font-size:11px}.orbit-core strong{font-family:Georgia,serif;font-size:58px;line-height:1}.orbit-core small{color:#cde7dc;margin-top:5px;font-size:10px}.orbit-label{border:1px solid var(--line);color:var(--ink-soft);background:#fbf8f1e6;border-radius:999px;padding:7px 12px;font-size:10px;position:absolute;box-shadow:0 8px 24px #17211e0f}.label-one{top:13%;right:4%}.label-two{bottom:17%;left:0}.label-three{bottom:3%;right:6%}.signal-strip{background:var(--ink);color:#fff;grid-template-columns:220px 1fr;gap:40px;padding:46px max(24px,50vw - 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48px);margin:10px auto 70px;padding:72px max(34px,6vw);display:grid;position:relative;overflow:hidden}.guide-section:after{content:"";border:1px solid #ffffff29;border-radius:50%;width:340px;height:340px;position:absolute;top:-160px;right:-120px;box-shadow:0 0 0 60px #ffffff06,0 0 0 120px #ffffff05}.ad-label{color:#c6dfd5;letter-spacing:.12em;border:1px solid #ffffff47;margin-bottom:28px;padding:4px 8px;font-size:8px;display:inline-block}.guide-copy h2{font-family:var(--serif);margin:12px 0 20px;font-size:clamp(32px,4vw,49px);font-weight:500;line-height:1.35}.guide-copy>p:last-of-type{color:#c4d4ce;max-width:650px;line-height:1.9}.guide-copy button{color:var(--jade-dark);opacity:.78;background:#d7c49e;border:0;margin-top:24px;padding:12px 18px;font-weight:700}.guide-checklist{z-index:1;background:#ffffff0e;border:1px solid #fff3;align-self:center;padding:30px;position:relative}.guide-checklist>p{color:#90c5b2;letter-spacing:.13em;margin:0 0 20px;font-size:10px}.guide-checklist>div{border-top:1px solid #ffffff1f;align-items:center;gap:14px;padding:13px 0;display:flex}.guide-checklist>div span{color:#a9d3c4;border:1px solid #ffffff40;border-radius:50%;place-items:center;width:24px;height:24px;font-family:Georgia,serif;font-size:10px;display:grid}.guide-checklist>div strong{font-family:var(--serif);font-weight:500}.guide-checklist small{color:#9bada6;margin-top:20px;font-size:9px;line-height:1.7;display:block}.standards-section{padding-top:70px}.standards-grid{grid-template-columns:repeat(3,1fr);gap:22px;margin-top:38px;display:grid}.standards-grid article{border:1px solid var(--line);background:#fbf8f199;min-height:230px;padding:28px}.standards-grid article>span{color:var(--amber);font-family:Georgia,serif;font-size:11px}.standards-grid h3{font-family:var(--serif);margin:40px 0 12px;font-size:24px;font-weight:600}.standards-grid p{color:var(--muted);margin:0;line-height:1.8}.policy-panel{border-top:1px solid var(--line);border-bottom:1px solid var(--line);grid-template-columns:repeat(3,1fr);width:min(1120px,100% - 48px);margin:0 auto 84px;padding:30px 0;display:grid}.policy-panel>div{border-right:1px solid var(--line);padding:0 25px}.policy-panel>div:first-child{padding-left:0}.policy-panel>div:last-child{border-right:0;padding-right:0}.policy-panel span{color:var(--jade);letter-spacing:.1em;font-size:10px;font-weight:700}.policy-panel p{color:var(--muted);margin:10px 0 0;font-size:12px;line-height:1.75}footer{color:#fff;background:var(--ink);grid-template-columns:1fr auto;gap:28px;padding:44px max(24px,50vw - 560px);display:grid}.footer-brand{align-items:center;gap:13px;display:flex}.footer-brand .brand-mark{color:var(--ink);background:#b9d7cc}.footer-brand strong{font-family:var(--serif);font-size:18px}.footer-brand p{color:#939e99;margin:5px 0 0;font-size:11px}.footer-links{color:#bec5c1;align-items:center;gap:22px;font-size:11px;display:flex}.copyright{color:#737e79;border-top:1px solid #ffffff1a;grid-column:1/-1;margin:16px 0 0;padding-top:22px;font-size:9px}@media (max-width:900px){.site-header{gap:14px;width:calc(100% - 32px);height:70px}.menu-button{display:block}.header-nav{background:var(--paper-light);border:1px solid var(--line);flex-direction:column;align-items:stretch;gap:0;padding:18px;display:none;position:absolute;top:70px;left:0;right:0;box-shadow:0 18px 40px #17211e1f}.header-nav.open{display:flex}.header-nav a{border-bottom:1px solid var(--line);padding:12px 4px}.saved-button{padding:7px 10px}.hero{grid-template-columns:1fr;width:calc(100% - 32px);min-height:auto;padding:64px 0}.signal-orbit{width:min(400px,90vw);margin:0 auto}.signal-strip,.signal-list{grid-template-columns:1fr}.latest-section,.standards-section,.policy-panel{width:calc(100% - 32px)}.guide-section{grid-template-columns:1fr;gap:38px;width:calc(100% - 32px);padding:48px 28px}.standards-grid,.policy-panel{grid-template-columns:1fr}.policy-panel>div{border-right:0;border-bottom:1px solid var(--line);padding:18px 0}.policy-panel>div:last-child{border-bottom:0}}@media (max-width:600px){body{font-size:14px}.brand small{display:none}.saved-button{font-size:0}.saved-button:before{content:"收藏";font-size:11px}.saved-button span{font-size:10px}.hero h1{font-size:49px}.hero-description{font-size:15px}.hero-actions,.section-heading{flex-direction:column;align-items:flex-start}.search-field{width:100%}.category-tabs button.saved{margin-left:0}.article-card{grid-template-columns:34px 1fr;padding:28px 0}.article-body h3{font-size:23px}.card-actions{gap:12px}.guide-copy h2{font-size:31px}footer{grid-template-columns:1fr}.footer-links{flex-wrap:wrap}}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}