:root{--bg:#F6F4EE;--card:#fff;--soft:#ECEFE8;--sand:#F2E7D7;--green:#21463B;--green2:#17352D;--green3:#3C685A;--orange:#C56B3D;--gold:#C6A15B;--title:#1F2D28;--text:#3E4A45;--muted:#66716C;--hint:#78817D;--line:#D9DED8;--footer:#183129;--footertext:#F4F3ED;--shadow:0 8px 24px rgba(31,45,40,.06)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;font-size:16px;line-height:1.8;overflow-x:hidden}img{display:block;max-width:100%;height:auto;object-fit:contain}a{color:var(--green);text-decoration-thickness:1px;text-underline-offset:3px}a:hover{color:var(--orange)}button,a{touch-action:manipulation}.skip-link{position:absolute;left:12px;top:-80px;background:#fff;padding:10px 14px;z-index:20}.skip-link:focus{top:10px}:focus-visible{outline:3px solid var(--gold);outline-offset:3px}.site-header{position:relative;background:rgba(246,244,238,.98);border-bottom:1px solid var(--line);z-index:10}.header-inner{max-width:1180px;height:70px;margin:auto;padding:0 32px;display:flex;align-items:center;gap:28px}.brand{display:flex;align-items:center;gap:10px;text-decoration:none;min-width:0;white-space:nowrap}.brand-logo{height:32px;width:auto;max-width:165px}.brand-mark{display:grid;place-items:center;width:32px;height:32px;border-radius:9px;background:var(--green);color:#fff;font-weight:700}.brand-name{font-weight:700;color:var(--title)}.primary-nav{display:flex;align-items:center;gap:20px;margin-left:auto}.primary-nav a,.header-actions a{text-decoration:none;font-size:15px}.primary-nav a[aria-current="page"]{color:var(--orange);font-weight:700}.header-actions{display:flex;align-items:center;gap:10px}.menu-toggle,.menu-close,.button-link{min-height:44px;border:1px solid var(--green);border-radius:9px;background:transparent;color:var(--green);padding:9px 14px;font:inherit;font-size:15px;cursor:pointer}.button-link{display:inline-flex;align-items:center;text-decoration:none}.button-link.primary{background:var(--green);color:#fff}.mobile-link{padding:8px 0}.reading-menu{border-top:1px solid var(--line);background:#fff}.menu-inner{max-width:1180px;margin:auto;padding:24px 32px 28px}.desktop-menu{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px}.desktop-menu section{min-width:0}.desktop-menu h2,.phone-menu h2{font-size:15px;margin:0 0 12px;color:var(--green)}.desktop-menu section>a{display:block;text-decoration:none;padding:6px 0;color:var(--title)}.desktop-menu section>a span{display:block;font-size:13px;color:var(--muted);line-height:1.45}.desktop-menu .service-line{grid-column:1/-1;border-top:1px solid var(--line);padding-top:16px}.service-line div{display:flex;gap:16px;flex-wrap:wrap}.service-line a{font-size:14px}.phone-menu{display:none}.bottom-nav{display:none}main{min-height:60vh}.wrap{max-width:1180px;margin:auto;padding-left:32px;padding-right:32px}.narrow{max-width:780px}.wide{max-width:980px}.section{padding-top:60px;padding-bottom:60px}.page-head{padding-top:42px;padding-bottom:34px}.breadcrumb{font-size:14px;color:var(--muted);margin-bottom:10px}.breadcrumb a{color:var(--muted)}.eyebrow{display:inline-block;font-size:14px;color:var(--orange);font-weight:700;letter-spacing:.04em;margin-bottom:8px}h1,h2,h3{color:var(--title);margin-top:0}h1{font-size:34px;line-height:1.25;margin-bottom:16px}h2{font-size:25px;line-height:1.35;margin-bottom:18px}h3{font-size:19px;line-height:1.45;margin-bottom:10px}p{margin:0 0 18px}.lead{font-size:17px;color:var(--muted);max-width:780px}.plain-links{display:flex;gap:18px;flex-wrap:wrap}.plain-links a{font-weight:600}.soft-panel{background:var(--soft);border:1px solid var(--line);border-radius:16px}.sand-panel{background:var(--sand);border:1px solid #e5d8c4;border-radius:16px}.card{background:#fff;border:1px solid var(--line);border-radius:12px;padding:22px;min-width:0}.content-image{max-width:420px;max-height:240px;width:auto;margin:24px auto}.feature-image{max-width:430px;max-height:300px;width:auto}.small-image{max-width:340px;max-height:220px;width:auto}.mobile-image{max-width:240px;max-height:380px;width:auto}.hero-grid{display:grid;grid-template-columns:minmax(0,7fr) minmax(280px,5fr);gap:46px;align-items:center;padding:46px 0}.hero-copy{min-width:0}.hero-copy p{max-width:650px}.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:24px}.reading-lines{display:grid;grid-template-columns:1.35fr .8fr;gap:24px}.reading-main{padding:28px;background:#fff;border-left:4px solid var(--orange)}.reading-main-inner{display:grid;grid-template-columns:1fr auto;gap:24px;align-items:center}.reading-side{display:grid;gap:18px}.reading-side article{border-top:1px solid var(--line);padding-top:18px}.purpose-layout{display:grid;grid-template-columns:280px 1fr;gap:42px;align-items:start}.purpose-list{padding:24px;background:var(--green);color:#fff;border-radius:14px}.purpose-list h2{color:#fff}.purpose-list ul{margin:0;padding-left:20px}.purpose-copy{min-width:0}.purpose-copy .content-image{margin-left:0}.people-space{display:grid;grid-template-columns:1.4fr .8fr;gap:34px;align-items:start}.people-main .content-image{margin-left:0}.side-note{border-left:2px solid var(--gold);padding-left:20px}.longform{max-width:760px}.longform .content-image{margin:30px 0}.ai-layout{display:grid;grid-template-columns:340px 1fr;gap:44px;align-items:start}.step-line{max-width:820px;margin:auto;border-left:2px solid var(--line);padding-left:26px}.step{position:relative;padding:0 0 28px}.step:before{content:"";position:absolute;width:10px;height:10px;border-radius:50%;background:var(--orange);left:-32px;top:9px}.topic-grid{display:grid;grid-template-columns:1.25fr 1fr;gap:26px}.topic-main{padding:28px;background:var(--green);color:#fff;border-radius:16px}.topic-main h2,.topic-main h3,.topic-main a{color:#fff}.topic-shorts{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}.topic-shorts article{padding:18px;border-top:3px solid var(--gold);background:#fff}.letter-layout{display:grid;grid-template-columns:minmax(0,760px) minmax(220px,1fr);gap:36px;align-items:end}.continue-layout{display:grid;grid-template-columns:260px 1fr;gap:42px;align-items:center}.text-strip{border-top:1px solid var(--line);padding-top:20px;margin-top:28px;display:flex;flex-wrap:wrap;gap:14px 20px}.index-list{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:10px}.index-list a{display:block;padding:12px;border-top:2px solid var(--green);text-decoration:none}.split-long{display:grid;grid-template-columns:minmax(0,1fr) 260px;gap:42px}.aside-index{position:sticky;top:20px;align-self:start;border-left:1px solid var(--line);padding-left:18px}.aside-index a{display:block;margin:7px 0}.numbered-flow{display:grid;grid-template-columns:72px 1fr;column-gap:24px}.num{font-size:28px;color:var(--gold);font-weight:700;border-right:1px solid var(--line);padding-right:18px;text-align:right}.flow-block{padding-bottom:34px}.people-block{margin-bottom:34px}.people-block:nth-child(odd){max-width:760px}.people-block:nth-child(even){max-width:650px;margin-left:auto;background:#fff;padding:24px;border-radius:12px;border:1px solid var(--line)}.scene-chapter{padding:26px 0;border-bottom:1px solid var(--line)}.scene-chapter dl{display:grid;grid-template-columns:110px 1fr;gap:4px 18px}.scene-chapter dt{font-weight:700;color:var(--green)}.scene-chapter dd{margin:0}.sound-list{border-left:3px solid var(--green);padding-left:18px}.sound-list li{margin:10px 0}.note-article{padding:44px 0;border-top:1px solid var(--line)}.note-article.narrow-note{max-width:650px;margin-left:auto}.topic-special{padding:34px 0;border-bottom:1px solid var(--line)}.topic-two-col{display:grid;grid-template-columns:1fr 1fr;gap:34px}.archive-group{padding:24px 0;border-bottom:1px solid var(--line);display:grid;grid-template-columns:160px 1fr;gap:24px}.archive-links{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px 18px}.archive-links a{text-decoration:none;border-bottom:1px dotted var(--line);padding-bottom:6px}.mobile-product{display:grid;grid-template-columns:250px 1fr;gap:44px;align-items:start}.qa-block{padding:20px 0;border-bottom:1px solid var(--line)}.qa-block h2{font-size:19px;margin-bottom:10px}.policy-section{padding:22px 0;border-bottom:1px solid var(--line)}.feedback-types{border-left:3px solid var(--orange);padding-left:20px}.site-footer{background:var(--footer);color:var(--footertext);padding:48px 0 24px;margin-top:64px}.footer-inner{max-width:1180px;margin:auto;padding:0 32px;display:grid;grid-template-columns:1.3fr repeat(4,1fr);gap:28px}.site-footer h2{font-size:16px;color:#fff}.site-footer p,.site-footer a{font-size:14px;color:var(--footertext)}.site-footer a{display:block;text-decoration:none;margin:6px 0}.footer-bottom{max-width:1180px;margin:28px auto 0;padding:20px 32px 0;border-top:1px solid rgba(255,255,255,.16);display:flex;justify-content:space-between;gap:20px;font-size:14px}.footer-bottom a{color:var(--footertext)}
@media(max-width:1024px){.header-inner{padding:0 22px}.primary-nav{gap:13px}.primary-nav a{font-size:14px}.wrap,.menu-inner,.footer-inner,.footer-bottom{padding-left:22px;padding-right:22px}.hero-grid{gap:30px}.index-list{grid-template-columns:repeat(3,1fr)}.footer-inner{grid-template-columns:repeat(3,1fr)}}
@media(max-width:820px){.primary-nav{display:none}.header-actions{margin-left:auto}.reading-lines,.people-space,.ai-layout,.letter-layout,.continue-layout,.mobile-product,.split-long{grid-template-columns:1fr}.purpose-layout{grid-template-columns:1fr}.topic-grid{grid-template-columns:1fr}.topic-shorts{grid-template-columns:1fr 1fr}.aside-index{position:static;border-left:0;border-top:1px solid var(--line);padding:18px 0 0}.footer-inner{grid-template-columns:1fr 1fr}.hero-grid{grid-template-columns:1fr}.hero-media{order:-1}.feature-image{margin:auto}.reading-main-inner{grid-template-columns:1fr}.archive-group{grid-template-columns:1fr}.mobile-product .mobile-image{margin:auto}}
@media(max-width:640px){body{padding-bottom:calc(56px + env(safe-area-inset-bottom))}.header-inner{height:60px;padding:0 16px;gap:12px}.brand-logo{height:27px;max-width:120px}.brand-mark{width:28px;height:28px}.brand-name{font-size:15px}.header-actions{gap:6px}.menu-toggle{padding:7px 10px;min-height:44px}.header-actions .mobile-link{font-size:14px}.desktop-menu{display:none}.phone-menu{display:block;padding:16px}.phone-menu section{padding:14px 0;border-top:1px solid var(--line)}.phone-menu section div{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px 14px}.phone-menu a{text-decoration:none}.menu-close{width:100%}.bottom-nav{position:fixed;left:0;right:0;bottom:0;height:calc(56px + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);display:grid;grid-template-columns:repeat(4,1fr);background:#fff;border-top:1px solid var(--line);z-index:15}.bottom-nav a{display:grid;place-items:center;text-decoration:none;font-size:14px;color:var(--green)}.wrap{padding-left:16px;padding-right:16px}.section{padding-top:40px;padding-bottom:40px}.page-head{padding-top:30px;padding-bottom:26px}h1{font-size:28px}h2{font-size:22px}h3{font-size:18px}.hero-grid{padding:32px 0;gap:24px}.feature-image{max-height:220px}.content-image{max-width:100%;max-height:200px}.small-image{max-width:100%;max-height:190px}.mobile-image{max-width:190px;max-height:290px}.reading-lines,.people-space,.topic-two-col{grid-template-columns:1fr}.topic-shorts{grid-template-columns:1fr}.index-list{grid-template-columns:1fr 1fr}.numbered-flow{grid-template-columns:44px 1fr;column-gap:14px}.num{font-size:22px;padding-right:10px}.people-block:nth-child(even){margin-left:0}.archive-links{grid-template-columns:1fr}.scene-chapter dl{grid-template-columns:1fr}.footer-inner{grid-template-columns:1fr;padding-left:16px;padding-right:16px}.footer-bottom{padding-left:16px;padding-right:16px;flex-direction:column}.site-footer{margin-top:44px}.hero-actions{gap:10px}.button-link{width:auto}.plain-links{gap:12px}.card{padding:17px}.soft-panel,.sand-panel{border-radius:14px}}
@media(max-width:370px){.brand-name{font-size:14px}.header-actions .mobile-link{display:none}.phone-menu section div{grid-template-columns:1fr}.index-list{grid-template-columns:1fr}}

.label-mobile{display:none}@media(max-width:640px){.label-desktop{display:none}.label-mobile{display:inline}}

.mt-28{margin-top:28px}.note-callout{padding:22px;margin:28px 0}.directory-note{margin-top:26px}

.header-actions a{min-height:44px;display:flex;align-items:center}