:root{color-scheme:dark;--clay:#8b7355;--blood:#4a0e17;--leather:#5c4033;--charcoal:#17120e;--ink:#241713;--paper:#f4dfb2;--muted:#d2bd91;--accent:#ff1493;--moss:#91c84f;--line:rgba(244,223,178,.22);--shadow:0 20px 60px rgba(10,7,5,.38);--radius:8px}*{box-sizing:border-box}html{scroll-behavior:smooth;background:var(--charcoal)}body{margin:0;font-family:"Microsoft YaHei","PingFang SC","Noto Sans SC",Arial,sans-serif;color:#fff4d7;background:radial-gradient(circle at 20% 0%,rgba(145,200,79,.14),transparent 34rem),linear-gradient(180deg,rgba(36,23,19,.92),rgba(23,18,14,.98)),var(--clay);line-height:1.72;letter-spacing:0}body:before{content:"";position:fixed;inset:0;pointer-events:none;opacity:.14;background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);background-size:28px 28px;mask-image:linear-gradient(to bottom,#000,transparent 78%)}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}button{font:inherit}.site-shell{min-height:100vh;overflow:hidden}.container{width:min(1180px,calc(100% - 32px));margin:0 auto}.site-header{position:sticky;top:0;z-index:50;background:rgba(23,18,14,.88);border-bottom:1px solid var(--line);backdrop-filter:blur(16px)}.nav-wrap{height:72px;display:flex;align-items:center;justify-content:space-between;gap:18px}.brand{display:inline-flex;align-items:center;gap:12px;font-weight:900;color:var(--paper);white-space:nowrap}.brand-mark{width:38px;height:38px;border-radius:8px;background:linear-gradient(135deg,var(--moss),var(--accent));box-shadow:inset 0 0 0 3px rgba(0,0,0,.25),0 10px 24px rgba(0,0,0,.32)}.nav-toggle{display:none;width:42px;height:42px;align-items:center;justify-content:center;border:1px solid var(--line);border-radius:8px;color:var(--paper);background:rgba(92,64,51,.75);cursor:pointer}.nav-toggle span,.nav-toggle span:before,.nav-toggle span:after{display:block;width:18px;height:2px;background:currentColor;content:""}.nav-toggle span:before{transform:translateY(-6px)}.nav-toggle span:after{transform:translateY(4px)}.site-nav{display:flex;align-items:center;gap:4px}.site-nav a,.nav-download{min-height:40px;padding:8px 12px;border-radius:8px;color:#f5e6c6;background:transparent;border:0;cursor:pointer}.site-nav a:hover,.site-nav a:focus-visible{background:rgba(244,223,178,.1);outline:0}.nav-download,.btn-primary{color:#fff;border:1px solid rgba(255,20,147,.65);background:linear-gradient(135deg,#ff1493,#9d174d);box-shadow:0 12px 28px rgba(255,20,147,.2)}.hero{position:relative;min-height:calc(100vh - 72px);display:grid;align-items:end;isolation:isolate;padding:72px 0 56px}.hero:before{content:"";position:absolute;inset:0;z-index:-2;background:url("../img/0.webp") center/cover no-repeat;filter:saturate(1.05) contrast(1.08)}.hero:after{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(90deg,rgba(16,10,8,.92),rgba(16,10,8,.58) 48%,rgba(16,10,8,.18)),linear-gradient(0deg,rgba(23,18,14,1),transparent 45%)}.hero-inner{display:grid;grid-template-columns:minmax(0,1fr) 330px;gap:36px;align-items:end}.eyebrow{display:inline-flex;align-items:center;width:fit-content;padding:5px 10px;border:1px solid rgba(145,200,79,.45);border-radius:8px;background:rgba(23,18,14,.56);color:#c9f27c;font-size:14px;font-weight:700}h1,h2,h3,p{margin-top:0}h1{max-width:760px;margin:18px 0 16px;font-size:clamp(42px,7vw,82px);line-height:1.03;letter-spacing:0;color:#fff7df;text-shadow:0 6px 28px rgba(0,0,0,.55)}.hero-lede{max-width:720px;color:#f3dfb7;font-size:18px}.hero-actions,.section-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}.btn-primary,.btn-secondary,.btn-text{min-height:46px;display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 18px;border-radius:8px;font-weight:800;cursor:pointer}.btn-secondary{border:1px solid rgba(244,223,178,.28);color:var(--paper);background:rgba(92,64,51,.72)}.btn-text{border:0;color:#f6d17f;background:transparent;padding-inline:0}.hero-panel{border:1px solid rgba(244,223,178,.22);border-radius:var(--radius);background:rgba(36,23,19,.76);box-shadow:var(--shadow);padding:18px}.facts{display:grid;gap:10px}.fact{display:flex;justify-content:space-between;gap:16px;padding-bottom:10px;border-bottom:1px dashed rgba(244,223,178,.18)}.fact:last-child{border-bottom:0;padding-bottom:0}.fact span{color:var(--muted)}.fact strong{text-align:right;color:#fff5dc}.section{padding:76px 0;position:relative}.section.alt{background:rgba(74,14,23,.24);border-block:1px solid rgba(244,223,178,.12)}.section-head{display:grid;grid-template-columns:minmax(0,1fr) minmax(260px,420px);gap:32px;align-items:end;margin-bottom:28px}.section-kicker{color:#c9f27c;font-weight:900;margin-bottom:8px}h2{font-size:clamp(28px,4vw,44px);line-height:1.18;color:#fff1cb;margin-bottom:0}h3{color:#ffe4a8;font-size:20px;line-height:1.35;margin-bottom:8px}.section-head p,.lead{color:#decaa1;margin-bottom:0}.grid-3,.grid-4,.index-grid,.guide-grid,.faq-grid{display:grid;gap:18px}.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}.index-grid{grid-template-columns:repeat(5,minmax(0,1fr))}.guide-grid,.faq-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.card,.media-card,.timeline-item,.qa-item,.article-block,.notice-box{border:1px solid rgba(244,223,178,.2);border-radius:var(--radius);background:linear-gradient(180deg,rgba(92,64,51,.78),rgba(36,23,19,.82));box-shadow:0 14px 36px rgba(0,0,0,.22)}.card,.timeline-item,.qa-item,.article-block,.notice-box{padding:20px}.card p,.qa-item p,.timeline-item p,.article-block p,.card li,.article-block li{color:#dfcca6}.card p:last-child,.qa-item p:last-child,.timeline-item p:last-child,.article-block p:last-child{margin-bottom:0}.card-tag{display:inline-flex;align-items:center;min-height:26px;padding:2px 8px;margin-bottom:12px;border-radius:7px;background:rgba(145,200,79,.15);color:#cef68a;font-size:13px;font-weight:800}.media-card{overflow:hidden}.media-card img{width:100%;aspect-ratio:16/9;object-fit:cover;background:var(--ink)}.media-card .media-body{padding:18px}.blueprint{position:relative;display:grid;gap:18px}.blueprint:before{content:"";position:absolute;left:28px;top:18px;bottom:18px;width:2px;background:linear-gradient(var(--moss),var(--accent));opacity:.55}.timeline-item{position:relative;margin-left:58px}.timeline-item:before{content:attr(data-step);position:absolute;left:-58px;top:20px;width:38px;height:38px;display:grid;place-items:center;border-radius:8px;background:var(--blood);border:1px solid rgba(244,223,178,.25);color:#fff1cb;font-weight:900}.page-hero{padding:70px 0 46px;background:linear-gradient(90deg,rgba(23,18,14,.96),rgba(23,18,14,.62)),url("../img/8.webp") center/cover no-repeat;border-bottom:1px solid rgba(244,223,178,.14)}.page-hero h1{font-size:clamp(36px,6vw,64px)}.breadcrumbs{display:flex;flex-wrap:wrap;gap:8px;color:#d7c497;font-size:14px}.breadcrumbs a{color:#fff0c9}.updated{margin-top:18px;color:#c9f27c;font-weight:800}.table-wrap{overflow-x:auto;border:1px solid rgba(244,223,178,.2);border-radius:var(--radius)}table{width:100%;min-width:720px;border-collapse:collapse;background:rgba(36,23,19,.72)}th,td{padding:13px 14px;border-bottom:1px solid rgba(244,223,178,.14);text-align:left;vertical-align:top}th{color:#ffe0a2;background:rgba(74,14,23,.36)}td{color:#dfcca6}.footer{padding:42px 0;background:#120d0a;border-top:1px solid rgba(244,223,178,.14)}.footer-grid{display:grid;grid-template-columns:1.3fr .7fr;gap:28px}.footer p,.footer a{color:#d2bd91}.friend-links{display:flex;flex-wrap:wrap;gap:10px}.friend-links a{padding:6px 9px;border-radius:7px;background:rgba(244,223,178,.08)}.skip-link{position:absolute;left:12px;top:-48px;z-index:80;padding:8px 12px;border-radius:8px;background:#fff4d7;color:#17120e}.skip-link:focus{top:12px}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}@media (max-width:980px){.nav-toggle{display:inline-flex}.site-nav{position:absolute;left:16px;right:16px;top:72px;display:none;flex-direction:column;align-items:stretch;padding:12px;border:1px solid var(--line);border-radius:8px;background:rgba(23,18,14,.98);box-shadow:var(--shadow)}.site-nav.is-open{display:flex}.site-nav a,.nav-download{width:100%;justify-content:flex-start}.hero-inner,.section-head,.footer-grid{grid-template-columns:1fr}.hero{min-height:auto;padding-top:88px}.hero-panel{max-width:520px}.grid-3,.grid-4,.index-grid,.guide-grid,.faq-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (max-width:640px){.container{width:min(100% - 24px,1180px)}.nav-wrap{height:64px}.site-nav{top:64px}.brand{font-size:15px}.hero{padding:54px 0 38px}.hero-lede{font-size:16px}.hero-actions,.section-actions{flex-direction:column}.btn-primary,.btn-secondary,.btn-text{width:100%}.section{padding:52px 0}.grid-3,.grid-4,.index-grid,.guide-grid,.faq-grid{grid-template-columns:1fr}.timeline-item{margin-left:46px}.timeline-item:before{left:-46px;width:32px;height:32px}.blueprint:before{left:23px}.fact{align-items:flex-start;flex-direction:column;gap:4px}.fact strong{text-align:left}}

/* Layout refinement pass */
.hero{min-height:clamp(620px,calc(100vh - 72px),760px);align-items:center;padding:56px 0 42px}
.hero:after{background:linear-gradient(90deg,rgba(16,10,8,.9),rgba(16,10,8,.62) 52%,rgba(16,10,8,.3)),linear-gradient(0deg,rgba(23,18,14,.96),transparent 42%)}
.hero-inner{grid-template-columns:minmax(0,1.12fr) minmax(280px,.72fr);align-items:center;gap:48px}
h1{font-size:clamp(40px,5.8vw,68px);max-width:820px}.hero-lede{max-width:760px}.hero-panel{align-self:center;padding:20px;background:linear-gradient(180deg,rgba(36,23,19,.82),rgba(36,23,19,.64))}.section{padding:68px 0}.section.alt{background:linear-gradient(180deg,rgba(74,14,23,.18),rgba(92,64,51,.12));border-block:1px solid rgba(244,223,178,.11)}.section-head{grid-template-columns:minmax(0,.9fr) minmax(280px,.72fr);gap:42px;margin-bottom:30px}.section-head p{font-size:16px}.grid-3{grid-template-columns:repeat(auto-fit,minmax(270px,1fr));gap:20px}.grid-4{grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:16px}.index-grid{grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:16px}.guide-grid,.faq-grid{grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:18px}.card,.qa-item,.article-block,.timeline-item{min-height:100%;display:flex;flex-direction:column}.card h3,.qa-item h3,.article-block h3{margin-bottom:10px}.card p,.qa-item p,.article-block p{font-size:15px}.media-card{display:flex;flex-direction:column}.media-card .media-body{display:flex;flex-direction:column;gap:2px}.media-card .media-body p{font-size:15px;margin-bottom:0}#intro .grid-3{grid-template-columns:1.15fr .925fr .925fr}#content .card{min-height:178px}#index .index-grid .card{min-height:172px}#walkthrough{background:rgba(23,18,14,.34)}#gallery .media-card img{aspect-ratio:4/3}.blueprint{max-width:930px;margin:0 auto}.section-actions{justify-content:flex-start}.footer{margin-top:0}
@media (max-width:980px){.hero{min-height:auto;padding:72px 0 44px}.hero-inner,.section-head,#intro .grid-3{grid-template-columns:1fr}.hero-panel{max-width:none}.index-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:640px){.hero{padding:42px 0 34px}.hero-inner{gap:22px}h1{font-size:40px}.section{padding:48px 0}.section-head{gap:14px;margin-bottom:22px}.index-grid,.grid-4,.guide-grid,.faq-grid{grid-template-columns:1fr}.card,.qa-item,.article-block,.timeline-item{min-height:0}.hero-panel{padding:16px}}

/* Brand icon refinement */
.brand-icon{width:42px;height:42px;border-radius:8px;object-fit:cover;flex:0 0 auto;box-shadow:0 10px 24px rgba(0,0,0,.32);background:rgba(244,223,178,.08)}
.brand-mark{background:url("../favicon.ico") center/cover no-repeat,linear-gradient(135deg,var(--moss),var(--accent))}
@media (max-width:640px){.brand-icon{width:36px;height:36px}}

/* Whitehat protocol additions: isolated from the original page selectors. */
.my-seo-home{padding:clamp(34px,5vw,72px) 0;background:var(--charcoal,var(--paper,#fff));color:var(--paper,var(--ink,#222));border-block:1px solid var(--line,rgba(0,0,0,.16))}.my-seo-wrap{width:min(1180px,calc(100% - 32px));margin:0 auto}.my-seo-heading{margin-bottom:22px}.my-seo-kicker{margin:0 0 6px;color:var(--gold,var(--accent,#9b6b20));font-size:.85rem;font-weight:800;letter-spacing:.08em;text-transform:uppercase}.my-seo-heading h2{margin:0;color:inherit}.my-seo-home-news{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px}.my-news-card{display:flex;flex-direction:column;gap:8px;padding:18px;border:1px solid var(--line,rgba(0,0,0,.16));border-radius:var(--radius,8px);background:var(--paper,var(--paper-light,#fff));color:var(--ink,#222);box-shadow:var(--shadow,0 10px 24px rgba(0,0,0,.12))}.my-news-card h2,.my-news-card h3{margin:0;color:inherit}.my-news-card p{margin:0;color:var(--muted,#666)}.my-news-card time{font-size:.86rem;opacity:.78}.my-news-card a,.my-news-nav a{color:var(--accent,var(--green,#356b3b));font-weight:800;text-decoration:underline;text-underline-offset:3px}.my-friend-link{display:inline-block;margin:4px 10px 4px 0}.my-news-page{min-height:100vh;padding:clamp(34px,6vw,84px) 0;background:var(--charcoal,var(--bg,#fff));color:var(--paper,var(--ink,#222))}.my-news-shell{width:min(900px,calc(100% - 32px));margin:0 auto}.my-news-page h1{margin:0 0 12px;color:inherit}.my-news-lede,.my-news-summary{color:var(--muted,#666)}.my-news-list{display:grid;gap:16px;margin-top:30px}.my-news-content-wrap{margin-top:28px}.my-news-content{margin:0;white-space:pre-wrap;line-height:1.9;color:inherit}.my-news-date{display:block;margin-top:6px;opacity:.76}.my-news-nav{display:flex;flex-wrap:wrap;gap:18px;margin-top:32px}.my-news-empty{opacity:.72}@media(max-width:640px){.my-seo-wrap,.my-news-shell{width:min(100% - 24px,900px)}.my-seo-home-news{grid-template-columns:1fr}}
.download-confirm-overlay{position:fixed;inset:0;z-index:9999;display:grid;place-items:center;padding:20px;background:rgba(0,0,0,.64)}.download-confirm-dialog{width:min(440px,100%);padding:24px;border:1px solid rgba(255,255,255,.2);border-radius:12px;background:#211b18;color:#fff7e6;box-shadow:0 24px 70px rgba(0,0,0,.4)}.download-confirm-dialog h2{margin:0 0 10px;color:inherit;font-size:1.25rem}.download-confirm-dialog p{margin:0 0 20px;color:#eadcc5}.download-confirm-actions{display:flex;justify-content:flex-end;gap:10px;flex-wrap:wrap}.download-confirm-actions button{min-width:92px;padding:9px 16px;border:1px solid rgba(255,255,255,.3);border-radius:8px;background:#4a3b31;color:#fff7e6;cursor:pointer}.download-confirm-actions .download-confirm-accept{background:#a87525;border-color:#d8ad60}.download-confirm-actions button:focus-visible{outline:3px solid #ffd66d;outline-offset:2px}