/* 公共内容页独立样式，不干扰起卦与解读布局。所有字体使用系统已有字库。 */
:root{--paper:#f7f6f2;--ink:#20221e;--soft:#62675e;--line:rgba(32,34,30,.16);--serif:STSong,"Songti SC","Noto Serif SC",SimSun,serif;--sans:"PingFang SC","Microsoft YaHei",system-ui,sans-serif;--display:STKaiti,KaiTi,"Kaiti SC",var(--serif)}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:28px}
body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.95 var(--sans);-webkit-font-smoothing:antialiased;overflow-wrap:break-word}
a{color:inherit;text-underline-offset:5px;text-decoration-thickness:1px}
button,input,select,textarea{font:inherit}
a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:2px solid var(--ink);outline-offset:5px}
p{margin:0 0 1em}
.skip{position:absolute;left:16px;top:-100px;background:var(--paper);padding:8px 16px;z-index:10}
.skip:focus{top:8px}
.site-header{max-width:1200px;padding:32px 40px;margin:auto;display:flex;justify-content:space-between;align-items:center;gap:28px}
.brand{display:inline-flex;align-items:center;gap:14px;text-decoration:none;white-space:nowrap;font:24px/1.2 var(--display);letter-spacing:.15em}
.brand img{display:block;width:38px;height:38px;flex:none}
.site-nav{display:flex;gap:28px;align-items:center;font:12px/1.5 var(--sans)}
.site-nav a{text-decoration:none;color:var(--soft);padding:9px 0}
.site-nav a:hover,.site-nav a[aria-current=page]{color:var(--ink)}
.site-nav a[aria-current=page]{border-bottom:1px solid var(--line)}
.site-nav .nav-cta{border-bottom:1px solid var(--ink);color:var(--ink)}
.home{background-image:linear-gradient(to bottom,rgba(247,246,242,.03),rgba(247,246,242,.18) 48%,var(--paper) 100%),url('/inkwash-background.webp');background-repeat:no-repeat;background-size:100% min(830px,75vw),100% auto;background-position:top center}
.hero{min-height:620px;min-height:clamp(550px,76svh,740px);display:flex;align-items:center;justify-content:center;text-align:center;padding:56px 24px 88px}
.hero-content{max-width:520px}
.hero h1{font:400 clamp(44px,5.4vw,72px)/1.55 var(--display);letter-spacing:.14em;margin:18px 0 22px;text-indent:.14em}
.hero-description{max-width:440px;margin:0 auto 30px;color:#454a42;font:15px/2 var(--serif)}
.eyebrow{font:11px/1.7 var(--sans);color:var(--soft);letter-spacing:.16em}
.button{display:inline-flex;justify-content:center;align-items:center;gap:23px;min-height:48px;max-width:100%;padding:13px 31px;border:1px solid var(--ink);background:var(--ink);color:var(--paper);font:14px/1.5 var(--sans);text-decoration:none;cursor:pointer;border-radius:2px;transition:background .15s ease}
.button:hover{background:#3b4036}
.button:disabled{opacity:.5;cursor:wait}
.quiet-link{font:12px/1.8 var(--sans);color:var(--soft);white-space:nowrap}
.hero-note{margin:14px 0 0;font:11px/1.8 var(--sans);color:var(--soft)}
.hero-preview{display:inline-flex;gap:14px;align-items:center;margin-top:37px;text-decoration:none;font:11px/1.8 var(--sans);color:var(--soft)}
.content{width:min(1040px,calc(100% - 80px));margin:0 auto}
.home-section{border-top:1px solid var(--line);padding:62px 0 70px}
.section-heading{display:flex;justify-content:space-between;gap:24px;align-items:flex-end;margin-bottom:36px}
.section-heading .eyebrow{margin:0 0 10px}
h2{font:400 32px/1.55 var(--display);letter-spacing:.06em;margin:0 0 16px}
h3{font:500 19px/1.65 var(--serif);margin:0 0 10px}
.section-heading h2{margin:0}
.small-label{font:11px/1.8 var(--sans);color:var(--soft);white-space:nowrap;letter-spacing:.06em}
.three-col{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:46px}
.step-number{font:12px/1.5 var(--sans);color:var(--soft);margin-bottom:19px;letter-spacing:.1em}
.three-col p{font-size:13px;line-height:1.9;color:var(--soft);margin:0}
.sample{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.8fr);gap:68px}
.sample-context{font-size:13px;color:var(--soft)}
.sample-question{font:24px/1.8 var(--serif);color:var(--ink);margin:22px 0}
.sample-cast{font:13px/1.8 var(--serif);letter-spacing:.06em}
.sample-reading{min-width:0;border-left:1px solid var(--line);padding-left:40px}
.sample-conclusion{font:24px/1.8 var(--serif);margin-bottom:24px}
.sample-reading p:not(.sample-conclusion){font-size:14px;line-height:2;color:#4b5146}
.sample-reading details{margin-top:23px;border-top:1px solid var(--line);padding-top:18px}
.sample-reading summary{cursor:pointer;font:12px/1.8 var(--sans)}
.sample-reading details[open] summary{margin-bottom:18px}
.sample-caption{font:11px/1.9 var(--sans);color:var(--soft);margin-top:30px}
.reading-links{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:34px}
.reading-links>a{position:relative;text-decoration:none;display:block;padding:2px 18px 14px 0;border-bottom:1px solid var(--line)}
.reading-links h3{margin:12px 0 9px;font-size:18px}
.reading-links p{font-size:12px;color:var(--soft);line-height:1.9;margin:0 0 17px}
.link-arrow{display:block;font:17px/1 var(--sans);transition:transform .15s ease}
.reading-links>a:hover .link-arrow{transform:translate(2px,-2px)}
.closing{padding:56px 0 26px;text-align:center}
.closing .eyebrow{margin-bottom:14px}
.closing .button{margin-top:8px}
.site-footer{max-width:1200px;margin:55px auto 0;border-top:1px solid var(--line);padding:28px 40px 35px;display:flex;align-items:flex-start;justify-content:space-between;gap:25px;font:11px/1.8 var(--sans);color:var(--soft)}
.site-footer p{margin:0;flex-shrink:0}
.footer-links{display:flex;gap:12px 24px;flex-wrap:wrap;justify-content:flex-end}
.footer-links a{text-decoration:none}
.footer-links a:hover{text-decoration:underline}
.article{width:min(720px,calc(100% - 56px));margin:64px auto 86px}
.article-header{border-bottom:1px solid var(--line);padding-bottom:30px;margin-bottom:36px}
.article-header .eyebrow{margin:0}
.article h1{font:400 clamp(32px,4vw,44px)/1.55 var(--display);letter-spacing:.08em;margin:14px 0 18px}
.lead{font:16px/2 var(--serif);color:var(--soft);max-width:590px;margin-bottom:0}
.article .document-date{font:11px/1.8 var(--sans);color:var(--soft);margin:18px 0 0}
.article-index{display:flex;flex-wrap:wrap;gap:12px 26px;margin:0 0 35px;font:12px/1.9 var(--sans);color:var(--soft)}
.article-index a{text-decoration:none;border-bottom:1px solid var(--line)}
.article section+section{margin-top:36px;padding-top:28px;border-top:1px solid var(--line)}
.article h2{font:500 22px/1.7 var(--serif);letter-spacing:0;margin-bottom:14px}
.article p,.article li{font-size:14px;line-height:2.05;color:#454b42}
.article .eyebrow{font:11px/1.7 var(--sans);color:var(--soft)}
.article .lead{font:16px/2 var(--serif);color:var(--soft)}
.article section>p:last-child{margin-bottom:0}
.article ul,.article ol{padding-left:24px}
.steps-list li{padding-left:5px;margin-bottom:12px}
.steps-list strong{font-weight:500;color:var(--ink)}
.article details{padding:20px 0;border-top:1px solid var(--line)}
.article summary{cursor:pointer;font:500 15px/1.9 var(--sans);padding-right:8px}
.article details p{margin:14px 0 0}
.example-question{padding:16px 22px;border-left:2px solid var(--ink);background:rgba(255,255,255,.4);font-family:var(--serif)}
.article-action{display:flex;align-items:center;flex-wrap:wrap;gap:20px 28px;margin-top:38px;padding-top:28px;border-top:1px solid var(--line)}
.form-grid{display:grid;gap:22px}
.form-grid label{display:grid;gap:9px;font:13px/1.65 var(--sans)}
.form-grid input,.form-grid select,.form-grid textarea{width:100%;min-width:0;min-height:48px;border:1px solid #a6aaa0;background:rgba(255,255,255,.55);padding:11px 13px;color:var(--ink);border-radius:0;font:15px/1.8 var(--sans)}
.form-grid textarea{resize:vertical;min-height:180px}
.form-grid input::placeholder,.form-grid textarea::placeholder{color:#7a8074;opacity:1}
.form-grid .button{justify-self:start;margin:0}
.field-help{font:11px/1.8 var(--sans);color:var(--soft)}
.optional{font:11px/1.5 var(--sans);color:var(--soft);margin-left:8px}
.form-note{font:12px/1.8 var(--sans)!important;color:var(--soft)!important;margin:0}
.form-status{font:14px/1.9 var(--sans);min-height:26px;margin:0;overflow-wrap:anywhere}
.form-status[data-error=true]{color:#8b3028}
.honeypot{display:none!important}
.article .form-check{display:flex;align-items:flex-start;gap:11px}
.form-check input{width:17px;min-height:17px;height:17px;flex:none;margin:4px 0 0;accent-color:var(--ink)}
.form-check span{font-size:12px;line-height:1.9}
blockquote{margin:24px 0;padding-left:22px;border-left:1px solid var(--line)}
@media(max-width:850px){.site-header{padding:27px 30px}.content{width:calc(100% - 60px)}.sample{gap:38px;grid-template-columns:minmax(0,1fr) minmax(0,1.6fr)}.sample-reading{padding-left:28px}.three-col{gap:28px}.reading-links{gap:22px}.site-footer{padding-left:30px;padding-right:30px;flex-direction:column;gap:16px}.footer-links{justify-content:flex-start}}
@media(max-width:650px){.site-header{padding:22px 20px;gap:18px;align-items:center;flex-wrap:wrap}.brand{font-size:22px;gap:10px}.brand img{width:32px;height:32px}.site-nav{gap:22px;width:100%;justify-content:flex-start;font-size:11px}.site-nav .nav-cta{margin-left:auto}.hero{min-height:560px;min-height:clamp(490px,72svh,650px);padding:40px 24px 68px}.home{background-size:100% 690px,auto 590px}.hero h1{font-size:46px}.hero-description{font-size:15px;max-width:280px}.hero-preview{margin-top:32px}.content{width:calc(100% - 40px)}.home-section{padding:40px 0 44px}.three-col{grid-template-columns:1fr;gap:27px}.three-col article{display:grid;grid-template-columns:28px minmax(0,1fr);column-gap:16px}.three-col h3{grid-column:2;margin-bottom:6px}.three-col p{grid-column:2}.step-number{grid-row:1;margin:6px 0 0;font-size:11px}.section-heading{align-items:flex-end;gap:14px;margin-bottom:28px}.section-heading h2{font-size:28px}.quiet-link{font-size:11px}.sample{grid-template-columns:1fr;gap:24px}.sample-question{font-size:24px;margin:13px 0}.sample-question br{display:none}.sample-caption{margin-top:16px}.sample-reading{padding:24px 0 0;border-left:0;border-top:1px solid var(--line)}.sample-conclusion{font-size:22px}.sample-conclusion br{display:none}.reading-links{grid-template-columns:1fr;gap:24px}.reading-links>a{padding:0 25px 20px 0}.reading-links h3{font-size:20px;margin-top:6px}.reading-links p{margin-bottom:0}.link-arrow{position:absolute;right:0;top:34px}.closing{padding:36px 0 16px}.site-footer{margin-top:40px;padding:23px 20px 30px}.footer-links{gap:13px 22px}.article{width:calc(100% - 40px);margin:38px auto 65px}.article h1{font-size:34px}.article-header{margin-bottom:28px;padding-bottom:27px}.lead{font-size:16px}.article h2{font-size:21px}.article p,.article li{font-size:14px}.article section+section{margin-top:30px;padding-top:24px}.example-question{padding:14px 17px}.article-index{gap:12px 22px;margin-bottom:28px}.article-action{align-items:flex-start;flex-direction:column;gap:17px}.form-grid textarea{min-height:180px}}
@media(max-width:360px){.site-nav{gap:17px}.hero h1{font-size:41px}.section-heading{align-items:flex-start}.section-heading h2{font-size:25px}.section-heading .quiet-link{padding-top:26px}.article h1{font-size:30px}.button{padding:13px 24px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{transition:none!important}}