:root{
  --brand:#B9473F;
  --brand-deep:#96362F;
  --amber:#D89A45;
  --dark:#1E2026;
  --paper:#F7F4EF;
  --soft:#EEE9E2;
  --text:#2B2D31;
  --muted:#6F706F;
  --accent:#E06A3B;
  --line:#D9D2C8;
  --white:#fffdf9;
  --shadow:0 16px 40px rgba(30,32,38,.08);
  --radius:22px;
  --radius-sm:14px;
  --max:1180px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;line-height:1.75;-webkit-font-smoothing:antialiased}
body.modal-open{overflow:hidden}
a{color:inherit;text-decoration-color:rgba(185,71,63,.45);text-underline-offset:4px}
a:hover{text-decoration-color:var(--brand)}
img{max-width:100%;height:auto;display:block}
figure{margin:0}
button,input{font:inherit}
button{cursor:pointer}
code{font-family:Consolas,"SFMono-Regular",monospace;background:rgba(30,32,38,.06);padding:.14em .34em;border-radius:6px}
.shell{width:min(calc(100% - 40px),var(--max));margin-inline:auto}
.skip-link{position:fixed;left:14px;top:10px;z-index:1000;background:var(--dark);color:white;padding:10px 14px;border-radius:8px;transform:translateY(-150%)}
.skip-link:focus{transform:none}
.site-header{position:sticky;top:0;z-index:100;background:rgba(247,244,239,.94);backdrop-filter:blur(16px);border-bottom:1px solid rgba(217,210,200,.8)}
.header-inner{min-height:78px;display:flex;align-items:center;gap:22px}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;min-width:max-content}
.brand img{width:46px;height:46px;object-fit:contain;border-radius:12px}
.brand span{display:grid;line-height:1.15;gap:5px}
.brand strong{font-size:1.08rem;letter-spacing:.03em;color:var(--dark)}
.brand small{font-size:.72rem;color:var(--muted)}
.site-nav{display:flex;align-items:center;gap:18px;margin-left:auto}
.site-nav a{font-size:.94rem;text-decoration:none;color:#43454a;white-space:nowrap}
.site-nav a:hover{color:var(--brand)}
.search-open,.menu-toggle{border:1px solid var(--line);background:var(--white);color:var(--dark);border-radius:999px;padding:9px 14px}
.search-open:hover,.menu-toggle:hover{border-color:var(--brand);color:var(--brand)}
.menu-toggle{display:none}
.search-modal[hidden]{display:none !important}
.search-modal{position:fixed;inset:0;z-index:500;display:grid;place-items:start center;padding-top:min(16vh,140px)}
.search-backdrop{position:absolute;inset:0;background:rgba(20,21,24,.72)}
.search-panel{position:relative;width:min(calc(100% - 32px),680px);background:var(--paper);border-radius:24px;padding:28px;box-shadow:0 30px 80px rgba(0,0,0,.25)}
.search-head{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:18px}
.search-head h2{margin:0;font-size:1.5rem}
.search-close{background:transparent;border:0;color:var(--muted)}
.search-form label,.inline-search label{display:block;font-weight:700;margin-bottom:8px}
.search-row,.inline-search>div{display:flex;gap:10px}
.search-row input,.inline-search input{min-width:0;flex:1;border:1px solid var(--line);background:white;border-radius:12px;padding:13px 15px;color:var(--text)}
.search-row button,.inline-search button{border:0;border-radius:12px;background:var(--brand);color:white;padding:12px 18px;font-weight:700}
.search-hint{margin:12px 0 0;color:var(--muted);font-size:.92rem}
.hero{padding:72px 0 54px;background:linear-gradient(180deg,#F1ECE5 0%,var(--paper) 100%)}
.hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:58px;align-items:center}
.hero-copy h1,.page-hero h1{font-size:clamp(2.35rem,5vw,4.9rem);line-height:1.08;letter-spacing:-.035em;margin:8px 0 22px;color:var(--dark);max-width:980px}
.home-hero .hero-copy h1{font-size:clamp(2.7rem,5.7vw,5.5rem)}
.eyebrow{margin:0 0 9px;color:var(--brand);font-size:.78rem;font-weight:800;letter-spacing:.12em;text-transform:uppercase}
.lead{font-size:clamp(1.08rem,2vw,1.35rem);line-height:1.75;color:#4a4b50;max-width:880px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin:30px 0}
.button{display:inline-flex;justify-content:center;align-items:center;min-height:46px;border-radius:999px;padding:10px 18px;text-decoration:none;font-weight:800;border:1px solid transparent}
.button.primary{background:var(--brand);color:white}
.button.primary:hover{background:var(--brand-deep)}
.button.secondary{background:transparent;border-color:#BEB5AA;color:var(--dark)}
.button.secondary:hover{border-color:var(--brand);color:var(--brand)}
.hero-notes{padding:0;margin:28px 0 0;display:grid;gap:8px;list-style:none;color:#5a5b5f;font-size:.94rem}
.hero-notes li{position:relative;padding-left:22px}
.hero-notes li::before{content:"";position:absolute;left:0;top:.72em;width:8px;height:8px;border-radius:50%;background:var(--amber)}
.hero-media{background:var(--dark);border-radius:32px;overflow:hidden;box-shadow:var(--shadow)}
.hero-media img{width:100%;aspect-ratio:1.28/1;object-fit:cover}
.hero-media figcaption{padding:15px 18px;color:#ded9d3;font-size:.9rem}
.section{padding:76px 0}
.section-band{background:var(--soft)}
.section-heading{margin-bottom:30px;max-width:840px}
.section-heading h2,.feature-row h2,.final-cta h2,.editorial-block h2,.article-body h2{font-size:clamp(1.7rem,3vw,2.6rem);line-height:1.25;color:var(--dark);margin:8px 0 13px;letter-spacing:-.02em}
.section-heading p:not(.eyebrow){color:var(--muted)}
.split-heading{display:flex;justify-content:space-between;align-items:end;gap:38px;max-width:none}
.split-heading>p,.split-heading>a{max-width:420px}
.entrance-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.entrance-card{background:var(--white);border:1px solid var(--line);border-radius:20px;padding:24px;min-height:260px;display:flex;flex-direction:column}
.entrance-card h3{font-size:1.28rem;line-height:1.35;margin:2px 0 12px}
.entrance-card h3 a{text-decoration:none}
.entrance-card p:not(.eyebrow){color:#606166}
.entrance-card .text-link{margin-top:auto}
.text-link{font-weight:800;color:var(--brand);text-decoration:none}
.text-link::after{content:" →"}
.two-column{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:start}
.feature-row{align-items:center}
.feature-row figure{border-radius:24px;overflow:hidden;background:#ddd;box-shadow:var(--shadow)}
.feature-row figure img{width:100%;aspect-ratio:1.45/1;object-fit:cover}
.feature-row p{color:#55565a}
.path-list{display:grid;border-top:1px solid var(--line)}
.path-list article{display:grid;grid-template-columns:76px 1fr;gap:18px;padding:28px 0;border-bottom:1px solid var(--line)}
.path-number{font-size:1.8rem;font-weight:900;color:var(--amber);letter-spacing:.04em}
.path-list h3{margin:0 0 7px;font-size:1.28rem}
.path-list p{margin:0 0 8px;color:#5e5f64}
.path-list a{font-weight:800;color:var(--brand)}
.editorial-block{background:var(--dark);color:#ebe6df}
.editorial-block h2{color:white}
.editorial-block .section-heading p,.editorial-block p{color:#bbb8b3}
.editorial-block .eyebrow{color:#efae5b}
.editorial-block .text-link{color:#f1aa78}
.editorial-list{display:grid;grid-template-columns:repeat(2,1fr);border-top:1px solid #3a3d44}
.editorial-list article{padding:28px 0;border-bottom:1px solid #3a3d44}
.editorial-list article:nth-child(odd){padding-right:32px;border-right:1px solid #3a3d44}
.editorial-list article:nth-child(even){padding-left:32px}
.editorial-list h3{font-size:1.25rem;line-height:1.4;margin:0 0 9px}
.editorial-list h3 a{text-decoration:none}
.guide-callout{align-items:center}
.guide-callout figure{border-radius:24px;overflow:hidden}
.mini-links{display:flex;flex-wrap:wrap;gap:9px;margin-top:18px}
.mini-links a{padding:9px 12px;border-radius:999px;background:rgba(185,71,63,.08);color:var(--brand);font-size:.92rem;text-decoration:none;font-weight:700}
.mini-links.vertical{display:grid;align-content:start}
.topic-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:15px}
.topic-strip article{border-top:4px solid var(--brand);background:var(--white);padding:22px;border-radius:0 0 16px 16px}
.topic-strip span{font-size:.78rem;color:var(--muted)}
.topic-strip h3{font-size:1.08rem;line-height:1.45}
.topic-strip h3 a{text-decoration:none}
.topic-strip p{color:#66676a;font-size:.94rem}
.section-action{text-align:center;margin:28px 0 0}
.principle-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.principle-grid article{padding:24px;border-left:3px solid var(--amber);background:rgba(255,253,249,.6)}
.principle-grid h3{margin:0 0 8px;font-size:1.12rem}
.principle-grid p{margin:0;color:#636468}
.faq-preview{background:#E8E1D8}
.faq-stack{display:grid;gap:10px}
.faq-stack details{background:var(--white);border:1px solid var(--line);border-radius:14px;padding:0 18px}
.faq-stack summary{font-weight:800;cursor:pointer;padding:16px 28px 16px 0;position:relative;list-style:none}
.faq-stack summary::-webkit-details-marker{display:none}
.faq-stack summary::after{content:"+";position:absolute;right:0;top:13px;font-size:1.4rem;color:var(--brand)}
.faq-stack details[open] summary::after{content:"−"}
.faq-stack details p{margin:0 0 17px;color:#5e5f62}
.final-cta{display:flex;justify-content:space-between;align-items:center;gap:50px;border-top:1px solid var(--line)}
.final-cta>div:first-child{max-width:700px}
.inline-search{width:min(100%,420px)}
.page-hero{padding:54px 0 36px;background:linear-gradient(180deg,#F1ECE5 0%,var(--paper) 100%)}
.page-hero.compact h1{font-size:clamp(2.25rem,4.4vw,4.1rem)}
.breadcrumbs{margin-bottom:24px}
.breadcrumbs ol{display:flex;flex-wrap:wrap;gap:8px;padding:0;margin:0;list-style:none;color:var(--muted);font-size:.88rem}
.breadcrumbs li+li::before{content:"/";margin-right:8px;color:#aaa39a}
.breadcrumbs a{text-decoration:none}
.comparison-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.comparison-grid article{background:var(--white);border:1px solid var(--line);border-radius:18px;padding:24px}
.comparison-grid h3{margin-top:0;font-size:1.2rem}
.comparison-grid p,.comparison-grid li{color:#616267}
.comparison-grid ul{padding-left:18px}
.process-list{display:grid;gap:18px}
.process-list article{display:grid;grid-template-columns:54px 1fr;gap:18px;padding:22px 0;border-bottom:1px solid var(--line)}
.process-list>article>span{width:44px;height:44px;border-radius:50%;display:grid;place-items:center;background:var(--brand);color:white;font-weight:900}
.process-list h3{margin:0 0 7px}
.process-list p{margin:0 0 7px;color:#606166}
.note-box{background:#F0E6D8;border:1px solid #D9C8AF;border-radius:18px;padding:24px}
.note-box h3{margin-top:0}
.note-box p{margin-bottom:0;color:#5b5c60}
.related-block{border-top:1px solid var(--line)}
.card-grid{display:grid;gap:18px}
.card-grid.three{grid-template-columns:repeat(3,1fr)}
.content-card{background:var(--white);border:1px solid var(--line);border-radius:18px;padding:24px;display:flex;flex-direction:column;min-height:240px}
.content-card h3{font-size:1.15rem;line-height:1.45;margin:0 0 10px}
.content-card h3 a{text-decoration:none}
.content-card p:not(.eyebrow){color:#626368}
.content-card .text-link{margin-top:auto}
.checklist-grid,.warning-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.checklist-grid article,.warning-grid article{background:var(--white);border:1px solid var(--line);padding:22px;border-radius:18px}
.checklist-grid article>span{font-size:1.5rem;color:var(--amber);font-weight:900}
.checklist-grid h3,.warning-grid h3{font-size:1.08rem;margin:9px 0}
.checklist-grid p,.warning-grid p{color:#626368;margin-bottom:0}
.symptom-table{display:grid;border:1px solid #4a4d54;border-radius:16px;overflow:hidden}
.symptom-table>div{display:grid;grid-template-columns:.8fr 1.4fr 1fr}
.symptom-table>div>*{padding:15px 18px;border-bottom:1px solid #3d4047}
.symptom-table>div>*+*{border-left:1px solid #3d4047}
.symptom-table>div:last-child>*{border-bottom:0}
.symptom-table a{color:#f0ae7b}
.guide-index{display:grid;gap:15px}
.guide-index article{display:flex;justify-content:space-between;gap:30px;align-items:center;background:var(--white);border:1px solid var(--line);border-radius:18px;padding:22px 24px}
.guide-index article>div{max-width:820px}
.guide-index h3{margin:7px 0 8px;font-size:1.25rem}
.guide-index h3 a{text-decoration:none}
.guide-index p{margin:0;color:#626368}
.pill{display:inline-block;padding:4px 9px;border-radius:999px;background:rgba(216,154,69,.16);color:#7a551f;font-size:.78rem;font-weight:800}
.cta-stack{display:flex;flex-wrap:wrap;gap:10px}
.topic-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.topic-grid article{padding:28px;background:var(--white);border:1px solid var(--line);border-radius:20px}
.topic-grid h2{font-size:1.35rem;line-height:1.4}
.topic-grid h2 a{text-decoration:none}
.topic-grid p{color:#626368}
.article-index{display:grid;gap:24px}
.article-index article{display:grid;grid-template-columns:260px 1fr;gap:28px;padding-bottom:24px;border-bottom:1px solid var(--line);align-items:center}
.article-index img{width:260px;height:180px;object-fit:cover;border-radius:16px}
.article-index h2{font-size:1.45rem;line-height:1.35;margin:5px 0 10px}
.article-index h2 a{text-decoration:none}
.article-index p{color:#616267}
.article-page{padding-bottom:70px}
.article-header{padding-top:44px}
.article-header h1{font-size:clamp(2.25rem,4.8vw,4.5rem);line-height:1.1;letter-spacing:-.03em;max-width:1000px;color:var(--dark);margin:12px 0 18px}
.article-cover{margin-top:34px;border-radius:28px;overflow:hidden}
.article-cover img{width:100%;max-height:560px;object-fit:cover}
.article-layout{display:grid;grid-template-columns:minmax(0,780px) 280px;gap:64px;margin-top:54px;align-items:start}
.article-body{font-size:1.06rem}
.article-body section{margin-bottom:42px}
.article-body h2{font-size:clamp(1.55rem,2.6vw,2.25rem);margin-bottom:14px}
.article-body p{color:#4f5054;margin:0 0 16px}
.article-callout{background:#EEE4D8;border-left:4px solid var(--brand);border-radius:0 16px 16px 0;padding:24px 26px;margin-top:42px}
.article-callout h2{font-size:1.35rem;margin-top:0}
.article-aside{position:sticky;top:104px;display:grid;gap:16px}
.aside-box{border:1px solid var(--line);border-radius:16px;padding:20px;background:var(--white)}
.aside-box h2{font-size:1rem;margin:0 0 10px}
.aside-box ul{padding-left:18px;margin:0;display:grid;gap:9px}
.aside-box p{margin:8px 0;color:#626368}
.numbered-sections section{position:relative;padding-left:76px}
.section-index{position:absolute;left:0;top:3px;color:var(--amber);font-size:1.6rem;font-weight:900}
.faq-page{max-width:980px}
.faq-stack.large details{border-radius:16px}
.faq-stack.large summary{font-size:1.05rem;padding:20px 32px 20px 0}
.prose-columns{columns:2;column-gap:56px;color:#55565a}
.prose-columns p{break-inside:avoid;margin-top:0}
.wide-copy{max-width:900px;color:#55565a;font-size:1.05rem}
.number-list{padding-left:1.3rem;display:grid;gap:12px}
.number-list li{padding-left:6px;color:#55565a}
.search-page-form{margin-top:28px;max-width:620px}
.search-results{min-height:380px}
.search-result-list{display:grid;gap:14px}
.search-result-list article{padding:24px;background:var(--white);border:1px solid var(--line);border-radius:18px}
.search-result-list h3{font-size:1.25rem;margin:0 0 8px}
.search-result-list h3 a{text-decoration:none}
.search-result-list p:not(.eyebrow){color:#626368}
.empty-state{padding:46px;border:1px dashed #c8bfb4;border-radius:20px;background:rgba(255,253,249,.5)}
.empty-state h2{margin-top:0;font-size:1.7rem}
.error-page{min-height:68vh;display:grid;align-items:center;padding:70px 0}
.error-inner{text-align:center;max-width:820px}
.error-code{font-size:clamp(5rem,15vw,10rem);line-height:.8;margin:0;color:var(--brand);font-weight:900;letter-spacing:-.06em}
.error-inner h1{font-size:clamp(2rem,4vw,3.4rem);margin:24px 0 10px}
.error-actions{display:flex;justify-content:center;gap:10px;margin:26px 0}
.error-links{display:flex;justify-content:center;flex-wrap:wrap;gap:16px;font-weight:700;color:#5c5d61}
.site-footer{background:#17191E;color:#c9c7c3;padding:58px 0 24px}
.footer-grid{display:grid;grid-template-columns:1.5fr repeat(3,1fr);gap:38px}
.site-footer h2{font-size:1rem;color:white;margin:0 0 13px}
.site-footer p{color:#aaa8a5;margin:0}
.site-footer ul{list-style:none;padding:0;margin:0;display:grid;gap:8px}
.site-footer a{color:#c9c7c3;text-decoration:none}
.site-footer a:hover{color:white}
.footer-bottom{margin-top:42px;padding-top:22px;border-top:1px solid #30333A;display:flex;justify-content:space-between;align-items:center;gap:20px}
.back-top{border:1px solid #41444c;background:transparent;color:#d8d5cf;border-radius:999px;padding:8px 12px}
@media (max-width:1100px){
  .site-nav{position:absolute;left:20px;right:20px;top:70px;background:var(--paper);border:1px solid var(--line);box-shadow:var(--shadow);border-radius:16px;padding:16px;display:none;flex-direction:column;align-items:stretch}
  .site-nav.open{display:flex}.menu-toggle{display:inline-flex;margin-left:auto}.search-open{margin-left:0}
  .entrance-grid,.topic-strip,.principle-grid,.checklist-grid,.warning-grid{grid-template-columns:repeat(2,1fr)}
  .article-layout{grid-template-columns:minmax(0,1fr) 250px;gap:38px}
}
@media (max-width:900px){
  .hero-grid,.two-column{grid-template-columns:1fr;gap:34px}
  .home-hero .hero-copy h1{font-size:clamp(2.4rem,8vw,4.4rem)}
  .hero-media{max-width:700px}
  .comparison-grid,.card-grid.three{grid-template-columns:1fr}
  .split-heading{display:block}.split-heading>p,.split-heading>a{max-width:none}
  .topic-grid{grid-template-columns:1fr}
  .article-layout{grid-template-columns:1fr}.article-aside{position:static;grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:repeat(2,1fr)}
  .final-cta{align-items:flex-start;flex-direction:column}
}
@media (max-width:680px){
  .shell{width:min(calc(100% - 28px),var(--max))}
  .header-inner{min-height:68px;gap:10px}.brand img{width:40px;height:40px}.brand small{display:none}.search-open{font-size:.84rem;padding:8px 10px}.menu-toggle{font-size:.84rem;padding:8px 10px}
  .hero{padding-top:48px}.section{padding:56px 0}.page-hero{padding-top:38px}
  .entrance-grid,.topic-strip,.principle-grid,.checklist-grid,.warning-grid{grid-template-columns:1fr}
  .editorial-list{grid-template-columns:1fr}.editorial-list article:nth-child(odd),.editorial-list article:nth-child(even){padding:24px 0;border-right:0}
  .path-list article{grid-template-columns:48px 1fr}.path-number{font-size:1.3rem}
  .guide-index article{display:block}.guide-index .text-link{display:inline-block;margin-top:12px}
  .article-index article{grid-template-columns:1fr}.article-index img{width:100%;height:auto;aspect-ratio:1.6/1}
  .article-header{padding-top:30px}.article-layout{margin-top:36px}.article-aside{grid-template-columns:1fr}
  .numbered-sections section{padding-left:0}.section-index{position:static;display:block;margin-bottom:6px}
  .symptom-table{overflow-x:auto}.symptom-table>div{min-width:700px}
  .prose-columns{columns:1}
  .footer-grid{grid-template-columns:1fr}.footer-bottom{align-items:flex-start;flex-direction:column}
  .search-row,.inline-search>div{flex-direction:column}.search-row button,.inline-search button{width:100%}
  .error-links{display:grid;gap:8px}
}
@media (max-width:420px){
  .brand strong{font-size:.98rem}.search-open{display:none}.hero-actions{display:grid}.button{width:100%}.search-panel{padding:22px}
}