:root{
  --ink:#3a2e26;
  --ink-soft:#65584e;
  --ivory:#f7f0e6;
  --ivory-deep:#efe3d1;
  --sand:#b9a892;
  --sand-light:#ebe0cd;
  --amber:#cf7d4e;
  --amber-dark:#a95f38;
  --coral:#c2584c;
  --sage:#8a9a6f;
  --paper:#fbf7f0;
  --line:rgba(58,46,38,.16);
  --serif:Fraunces,"Noto Serif SC","Source Han Serif SC","Songti SC",STSong,serif;
  --sans:Lora,"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth;background:var(--ivory)}
body{margin:0;background:var(--ivory);color:var(--ink);font-family:var(--sans);font-size:16px;line-height:1.78;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased}
a{color:inherit;text-underline-offset:.22em;text-decoration-thickness:1px}
.shell{width:min(1180px,calc(100% - 48px));margin-inline:auto}
.skip-link{position:fixed;left:18px;top:-90px;z-index:100;background:var(--ink);color:var(--ivory);padding:10px 15px;border-radius:6px}
.skip-link:focus{top:16px}

.site-header{position:sticky;top:0;z-index:30;background:rgba(247,240,230,.96);border-bottom:1px solid var(--line);backdrop-filter:blur(12px)}
.header-inner{height:82px;display:flex;align-items:center;justify-content:space-between;gap:36px}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;white-space:nowrap}
.brand-logo{display:block;width:198px;height:auto}
.site-nav{display:flex;align-items:center;gap:30px}
.site-nav a{position:relative;text-decoration:none;color:var(--ink-soft);font-size:14px}
.site-nav a:hover,.site-nav a.current{color:var(--ink)}
.site-nav a.current::after{content:"";position:absolute;left:0;right:0;bottom:-13px;height:1px;background:var(--amber)}

.eyebrow{margin:0 0 16px;color:var(--amber-dark);font-size:11px;font-weight:700;letter-spacing:.18em;text-transform:uppercase}
.section-heading{max-width:720px;margin-bottom:42px}
.section-heading h2,.brand-story h2,.related h2{margin:0;font-family:var(--serif);font-size:clamp(34px,4vw,56px);font-weight:560;line-height:1.18;letter-spacing:-.025em}
.section-heading>p:last-child{margin:14px 0 0;color:var(--ink-soft);font-size:17px}
.dek{max-width:750px;margin:28px 0 0;color:var(--ink-soft);font-size:19px;line-height:1.82}

/* Hub */
.hub-hero{min-height:690px;padding:118px 0 92px;border-bottom:1px solid var(--line);display:flex;align-items:center}
.hub-hero-grid{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(330px,.65fr);gap:78px;align-items:center}
.hub-hero h1{max-width:830px;margin:0;font-family:var(--serif);font-size:clamp(52px,6.2vw,88px);font-weight:520;line-height:1.06;letter-spacing:-.055em}
.hub-hero h1 em{display:block;color:var(--amber);font-style:normal}
.hero-actions{display:flex;align-items:center;gap:28px;margin-top:38px}
.primary-button{display:inline-flex;align-items:center;justify-content:center;padding:13px 21px;border:1px solid var(--amber);border-radius:999px;background:var(--amber);color:var(--paper);font-weight:700;text-decoration:none;transition:background .2s,border .2s}
.primary-button:hover{background:var(--amber-dark);border-color:var(--amber-dark)}
.secondary-link,.text-link,.compare-link{color:var(--ink);font-weight:700;text-decoration:none}
.secondary-link span,.text-link span,.compare-link span{color:var(--amber);transition:transform .2s;display:inline-block}
.secondary-link:hover span,.text-link:hover span,.compare-link:hover span{transform:translateX(4px)}
.hero-photo{position:relative;min-height:450px;margin:0;border-radius:44% 44% 28px 28px;overflow:hidden;background:var(--ivory-deep)}
.hero-photo img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:58% center}
.hero-photo figcaption{position:absolute;z-index:2;left:20px;right:20px;bottom:20px;padding:14px 16px;border-radius:12px;background:rgba(58,46,38,.78);color:var(--paper);font-family:var(--serif);font-size:20px;line-height:1.4}
.hero-photo figcaption span{display:block;margin-bottom:5px;font-family:var(--sans);font-size:11px;font-weight:700;letter-spacing:.12em}

.decision-section{padding:110px 0}
.decision-grid{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.decision-grid a{min-height:250px;padding:34px 32px 30px;border-right:1px solid var(--line);text-decoration:none;transition:background .2s}
.decision-grid a:last-child{border-right:0}
.decision-grid a:hover{background:var(--paper)}
.decision-grid span,.card-top span,.compare-grid>article>span,.benefit-grid>div>span,.research-grid>div>span{display:block;color:var(--amber);font-size:12px;font-weight:700;letter-spacing:.12em}
.decision-grid strong{display:block;margin:34px 0 12px;font-family:var(--serif);font-size:25px;line-height:1.35}
.decision-grid p{margin:0;color:var(--ink-soft)}

.compare-section{padding:108px 0;background:var(--ink);color:var(--ivory)}
.compare-section .eyebrow{color:#dda17e}.compare-section .section-heading>p:last-child{color:var(--sand-light)}
.compare-grid{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid rgba(247,240,230,.22);border-bottom:1px solid rgba(247,240,230,.22)}
.compare-grid article{min-height:350px;padding:30px 27px;border-right:1px solid rgba(247,240,230,.22)}
.compare-grid article:last-child{border-right:0}
.compare-grid article.featured{background:var(--amber);color:var(--paper)}
.compare-grid article.featured>span{color:var(--paper)}
.compare-grid h3{margin:38px 0 10px;font-family:var(--serif);font-size:27px;font-weight:560}
.compare-grid p{color:var(--sand-light);font-size:15px}
.compare-grid .featured p{color:var(--paper)}
.compare-grid .compare-feel{min-height:54px;color:var(--ivory);font-weight:700;font-size:17px}
.compare-link{display:inline-block;margin-top:34px;color:var(--ivory)}

.brand-story{padding:116px 0;display:grid;grid-template-columns:120px minmax(0,.9fr) minmax(0,1.1fr);gap:52px;align-items:start;border-bottom:1px solid var(--line)}
.story-photo{width:104px;height:104px;margin:0;overflow:hidden;border-radius:50%;background:var(--ivory-deep)}
.story-photo img{width:100%;height:100%;object-fit:cover;object-position:center 55%}
.brand-story h2{font-size:clamp(36px,4vw,55px)}
.story-copy{font-size:18px;color:var(--ink-soft)}
.story-copy p:first-child{margin-top:4px}.story-copy .text-link{display:inline-block;margin-top:14px;color:var(--ink)}

.guide-section{padding:112px 0}
.guide-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));border-top:1px solid var(--line);border-left:1px solid var(--line)}
.guide-card{min-height:340px;padding:34px 36px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);transition:background .2s}
.guide-card:hover{background:var(--paper)}
.card-top{display:flex;align-items:center;justify-content:space-between;gap:20px}
.card-top small{color:var(--sand);font-size:12px;letter-spacing:.08em}
.guide-card h3{max-width:500px;margin:54px 0 18px;font-family:var(--serif);font-size:31px;font-weight:560;line-height:1.28}
.guide-card h3 a{text-decoration:none}
.guide-card>p{max-width:520px;color:var(--ink-soft)}
.guide-card .text-link{display:inline-block;margin-top:18px;font-size:14px}
.closing-quote{margin-bottom:112px;padding:72px 32px;text-align:center;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.closing-quote p{margin:0;font-family:var(--serif);font-size:clamp(34px,5vw,62px)}
.closing-quote span{display:block;margin-top:20px;color:var(--sand);font-size:12px;letter-spacing:.18em}

/* Articles */
.article-hero{padding:62px 0 70px;border-bottom:1px solid var(--line)}
.article-hero-grid{position:relative;display:grid;grid-template-columns:minmax(0,1fr) 220px;gap:64px;align-items:center}
.breadcrumbs{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:54px;color:var(--sand);font-size:12px}
.breadcrumbs a{text-decoration:none}.breadcrumbs a:hover{color:var(--amber-dark)}
.article-hero h1{max-width:900px;margin:0;font-family:var(--serif);font-size:clamp(43px,5.5vw,72px);font-weight:540;line-height:1.12;letter-spacing:-.045em}
.answer-line{max-width:880px;margin:28px 0 0;color:var(--ink-soft);font-size:20px;line-height:1.8}
.meta{display:flex;flex-wrap:wrap;gap:0;margin:30px 0 0;color:var(--sand);font-size:12px}
.meta span,.meta time{padding-right:14px;margin-right:14px;border-right:1px solid var(--line)}
.meta time{border:0;margin:0;padding:0}
.article-photo{width:220px;height:250px;margin:0;overflow:hidden;border-radius:46% 46% 18px 18px;background:var(--ivory-deep)}
.article-photo img{width:100%;height:100%;object-fit:cover;object-position:center}
.article-layout{display:grid;grid-template-columns:minmax(0,780px) 270px;gap:82px;align-items:start;padding:78px 0 96px}
.prose{font-size:17px;color:var(--ink)}
.prose>.lead{margin:0 0 34px;font-family:var(--serif);font-size:23px;line-height:1.75;color:var(--ink)}
.prose h2{margin:2.35em 0 .75em;font-family:var(--serif);font-size:36px;font-weight:560;line-height:1.3;letter-spacing:-.02em}
.prose h3{margin:1.8em 0 .5em;font-size:21px}
.prose p{margin:1.05em 0}.prose li{margin:.58em 0}.prose a{color:var(--amber-dark)}
.article-summary{margin:32px 0 52px;padding:24px 26px;border-top:1px solid var(--amber);border-bottom:1px solid var(--amber);background:rgba(235,224,205,.42)}
.article-summary>span{color:var(--amber-dark);font-size:11px;font-weight:700;letter-spacing:.14em}
.article-summary p{margin:9px 0 0;font-size:18px}
.soft-note{margin:38px 0;padding:22px 25px;border-left:3px solid var(--sage);background:rgba(138,154,111,.1);color:var(--ink-soft)}
.brand-quote{margin:44px 0;padding:34px;border:0;border-top:1px solid var(--amber);border-bottom:1px solid var(--amber);font-family:var(--serif);font-size:28px;text-align:center;color:var(--amber-dark)}
.prose table{width:100%;border-collapse:collapse;margin:30px 0 42px;font-size:15px}
.prose th,.prose td{text-align:left;vertical-align:top;padding:15px 14px;border-bottom:1px solid var(--line)}
.prose th{color:var(--amber-dark);font-size:13px}.prose caption{text-align:left;margin-bottom:10px;color:var(--ink-soft);font-size:14px}
.benefit-grid,.research-grid{display:grid;grid-template-columns:repeat(2,1fr);margin:32px 0;border-top:1px solid var(--line);border-left:1px solid var(--line)}
.benefit-grid.three{grid-template-columns:repeat(3,1fr)}
.benefit-grid>div,.research-grid>div{min-height:180px;padding:24px;border-right:1px solid var(--line);border-bottom:1px solid var(--line)}
.benefit-grid strong,.research-grid strong{display:block;margin-top:24px;font-family:var(--serif);font-size:21px}
.benefit-grid p,.research-grid p{margin:8px 0 0;color:var(--ink-soft);font-size:15px}
.choice-steps{list-style:none;margin:30px 0;padding:0;border-top:1px solid var(--line)}
.choice-steps li{display:grid;grid-template-columns:54px 1fr;gap:20px;padding:22px 0;border-bottom:1px solid var(--line)}
.choice-steps li>span{width:42px;height:42px;display:grid;place-items:center;border:1px solid var(--amber);border-radius:50%;color:var(--amber-dark);font-size:13px}
.choice-steps strong{font-family:var(--serif);font-size:21px}.choice-steps p{margin:5px 0 0;color:var(--ink-soft)}
.check-list{list-style:none;padding:0;margin:28px 0}
.check-list li{position:relative;padding:13px 0 13px 28px;border-bottom:1px solid var(--line)}
.check-list li::before{content:"";position:absolute;left:2px;top:23px;width:8px;height:8px;border:1px solid var(--amber);border-radius:50%}
.metric-row{display:grid;grid-template-columns:repeat(3,1fr);margin:28px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.metric-row>div{padding:22px;border-right:1px solid var(--line)}.metric-row>div:last-child{border:0}
.metric-row strong,.metric-row span{display:block}.metric-row strong{font-family:var(--serif);font-size:22px}.metric-row span{margin-top:5px;color:var(--ink-soft);font-size:14px}
.experience-split{display:grid;grid-template-columns:1fr 1fr;margin:32px 0;border:1px solid var(--line)}
.experience-split>div{padding:28px}.experience-split>div+div{border-left:1px solid var(--line);background:var(--ivory-deep)}
.experience-split small{color:var(--amber-dark);letter-spacing:.08em}.experience-split strong{display:block;margin-top:16px;font-family:var(--serif);font-size:24px}.experience-split p{color:var(--ink-soft)}
.choice-callout{display:grid;grid-template-columns:48px 1fr 48px 1fr;margin:30px 0;padding:26px;border:1px solid var(--line);gap:14px}
.choice-callout>span{width:38px;height:38px;display:grid;place-items:center;border-radius:50%;background:var(--amber);color:var(--paper)}
.choice-callout strong{font-family:var(--serif);font-size:20px}.choice-callout p{margin:4px 0 0;color:var(--ink-soft);font-size:14px}
.scenario-list{display:grid;grid-template-columns:1fr 1fr;list-style:none;margin:28px 0;padding:0;border-top:1px solid var(--line);border-left:1px solid var(--line)}
.scenario-list li{margin:0;padding:24px;border-right:1px solid var(--line);border-bottom:1px solid var(--line)}
.scenario-list strong{font-family:var(--serif);font-size:20px}.scenario-list p{margin:7px 0 0;color:var(--ink-soft);font-size:15px}
.download-link{display:inline-flex;align-items:center;gap:18px;margin-top:12px;padding:13px 18px;border:1px solid var(--amber);border-radius:999px;text-decoration:none;font-weight:700}
.download-link span{font-size:20px}
.purchase-card{margin:48px 0;padding:34px;border:1px solid var(--amber);background:rgba(235,224,205,.4);display:grid;grid-template-columns:.75fr 1.25fr;gap:40px}
.purchase-card h3{margin:0;font-family:var(--serif);font-size:28px;line-height:1.35}.purchase-card ul{margin:0;padding-left:20px}
.sources{margin-top:62px;padding-top:30px;border-top:1px solid var(--ink)}
.sources h2{margin-top:0;font-size:26px}.sources li{font-size:14px;word-break:break-word;color:var(--ink-soft)}
.faq-section{margin-top:64px;padding-top:12px}
.faq-section details{border-top:1px solid var(--line)}
.faq-section details:last-child{border-bottom:1px solid var(--line)}
.faq-section summary{position:relative;list-style:none;padding:20px 42px 20px 0;cursor:pointer;font-family:var(--serif);font-size:19px;font-weight:560}
.faq-section summary::-webkit-details-marker{display:none}
.faq-section summary::after{content:"＋";position:absolute;right:4px;top:20px;color:var(--amber);font-family:var(--sans);font-weight:400}
.faq-section details[open] summary::after{content:"－"}
.faq-section details p{margin:0;padding:0 42px 22px 0;color:var(--ink-soft)}
.article-aside{position:sticky;top:112px;display:grid;gap:20px}
.aside-card{padding:25px;border-top:1px solid var(--amber);border-bottom:1px solid var(--line)}
.aside-card strong{font-family:var(--serif);font-size:22px}.aside-card ol{margin:16px 0 0;padding-left:20px;color:var(--ink-soft);font-size:14px}
.aside-note{padding:22px;background:var(--ivory-deep);font-size:14px}.aside-note p{margin:7px 0 0;color:var(--ink-soft)}
.related{padding:0 0 110px}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line);border-left:1px solid var(--line)}
.related-card{min-height:270px;padding:26px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);text-decoration:none;transition:background .2s}
.related-card:hover{background:var(--paper)}
.related-card small{display:block;color:var(--amber-dark);font-size:11px;letter-spacing:.1em}
.related-card span{display:block;margin-top:30px;font-family:var(--serif);font-size:24px;line-height:1.35}
.related-card p{color:var(--ink-soft);font-size:14px}

/* Footer */
.site-footer{padding:64px 0 26px;background:var(--ivory-deep);border-top:1px solid var(--line)}
.footer-grid{display:grid;grid-template-columns:1fr 1.25fr .75fr;gap:60px}
.footer-brand{display:block}.footer-logo{display:block;width:200px;height:auto}
.footer-grid strong{font-family:var(--serif);font-size:18px}.footer-grid p{margin:9px 0 0;color:var(--ink-soft);font-size:14px}.footer-grid a{color:var(--ink)}
.footer-bottom{margin-top:50px;padding-top:22px;border-top:1px solid var(--line);color:var(--sand);font-size:12px}

@media (max-width:980px){
  .site-nav{display:none}
  .hub-hero{min-height:auto;padding:90px 0}
  .hub-hero-grid{grid-template-columns:1fr;gap:58px}
  .hero-photo{min-height:420px;max-width:620px}
  .decision-grid{grid-template-columns:1fr}.decision-grid a{min-height:auto;border-right:0;border-bottom:1px solid var(--line)}.decision-grid a:last-child{border-bottom:0}.decision-grid strong{margin-top:20px}
  .compare-grid{grid-template-columns:1fr 1fr}.compare-grid article:nth-child(2){border-right:0}.compare-grid article:nth-child(-n+2){border-bottom:1px solid rgba(247,240,230,.22)}
  .brand-story{grid-template-columns:94px 1fr}.story-copy{grid-column:2}
  .article-layout{grid-template-columns:minmax(0,1fr);gap:48px}.article-aside{position:static;grid-template-columns:1fr 1fr}
  .article-hero-grid{grid-template-columns:1fr}.article-photo{width:100%;max-width:560px;height:280px;border-radius:28px}.article-photo img{object-position:center 46%}
  .related-grid{grid-template-columns:1fr 1fr}.related-card:last-child{grid-column:1/-1}
}

@media (max-width:680px){
  .shell{width:min(100% - 30px,1180px)}
  .site-header{position:static}.header-inner{height:72px}
  .brand-logo{width:170px}
  .hub-hero{padding:70px 0 56px}.hub-hero h1{font-size:45px;letter-spacing:-.045em}.dek{font-size:17px}.hero-actions{align-items:flex-start;flex-direction:column;gap:18px}.primary-button{width:100%}
  .hero-photo{min-height:360px;border-radius:34% 34% 20px 20px}.hero-photo figcaption{left:22px;right:22px;bottom:20px;font-size:18px}
  .decision-section,.guide-section{padding:76px 0}.section-heading{margin-bottom:32px}.section-heading h2,.brand-story h2,.related h2{font-size:38px}
  .decision-grid a{padding:26px 22px}.decision-grid strong{font-size:22px}
  .compare-section{padding:76px 0}.compare-grid{grid-template-columns:1fr}.compare-grid article{min-height:auto;border-right:0;border-bottom:1px solid rgba(247,240,230,.22)}
  .brand-story{padding:78px 0;grid-template-columns:1fr;gap:28px}.story-photo{width:96px;height:96px}.story-copy{grid-column:auto;font-size:17px}
  .guide-grid{grid-template-columns:1fr}.guide-card{min-height:auto;padding:28px 24px}.guide-card h3{margin-top:34px;font-size:27px}
  .closing-quote{margin-bottom:76px;padding:52px 14px}
  .article-hero{padding:42px 0 52px}.breadcrumbs{margin-bottom:38px}.article-hero h1{font-size:40px}.answer-line{font-size:17px}.meta{gap:8px}.meta span,.meta time{border:0;margin:0;padding:0 8px 0 0}.article-photo{height:220px;border-radius:20px}
  .article-layout{padding:50px 0 70px}.prose>.lead{font-size:20px}.prose h2{font-size:29px;margin-top:2em}
  .article-summary{padding:21px 19px}.article-summary p{font-size:16px}
  .benefit-grid,.benefit-grid.three,.research-grid,.metric-row,.experience-split,.scenario-list,.purchase-card{grid-template-columns:1fr}
  .benefit-grid>div,.research-grid>div{min-height:auto}.metric-row>div{border-right:0;border-bottom:1px solid var(--line)}.metric-row>div:last-child{border-bottom:0}.experience-split>div+div{border-left:0;border-top:1px solid var(--line)}
  .choice-callout{grid-template-columns:44px 1fr}.choice-steps li{grid-template-columns:46px 1fr;gap:12px}
  .prose table{display:block;max-width:100%;overflow-x:auto;white-space:normal}.prose th,.prose td{min-width:150px}
  .article-aside,.related-grid,.footer-grid{grid-template-columns:1fr}.related-card:last-child{grid-column:auto}.related-card{min-height:auto}
  .site-footer{padding-top:48px}.footer-grid{gap:34px}.footer-bottom{margin-top:34px}
}

@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}