:root{
  --bg:#0C0B0A;--deep:#161311;--panel:#1C1916;--panel2:#26221D;--paper:#F3E6D2;--title:#FFF8F0;--text:#EDE4D8;--muted:#B7A898;--soft:#8A7B6C;--red:#E11D2E;--red2:#FF4A4F;--wine:#8B1E2D;--rust:#E25A2A;--amber:#E2B14A;--border:rgba(226,177,74,.16);--border-strong:rgba(225,29,46,.40);--shadow:0 18px 44px rgba(0,0,0,.46);--footer:#080706;--footertext:#D8CBBA;--max:1280px;--read:800px;--header-h:80px;
}
*{box-sizing:border-box}html{scroll-behavior:smooth;background:var(--bg)}body{margin:0;background:var(--bg);color:var(--text);font-family:system-ui,-apple-system,"Segoe UI","Noto Sans SC","Microsoft YaHei",sans-serif;font-size:16px;line-height:1.8;overflow-wrap:anywhere}a{color:inherit;text-decoration:none}button,input{font:inherit}button{color:inherit}.shell{width:min(calc(100% - 32px),var(--max));margin-inline:auto}.skip-link{position:fixed;left:16px;top:12px;z-index:10000;transform:translateY(-160%);background:var(--paper);color:#2a1b16;padding:10px 14px;border-radius:6px}.skip-link:focus{transform:none}.site-header{position:sticky;top:0;z-index:300;background:rgba(12,11,10,.96);backdrop-filter:blur(10px);border-bottom:1px solid var(--border-strong)}.brand-row{min-height:80px;display:flex;align-items:center;justify-content:space-between;gap:20px}.brand-link{display:inline-flex;align-items:center;gap:12px;min-width:0}.brand-logo{height:32px;width:auto;max-width:150px;object-fit:contain;object-position:center;flex:0 0 auto}.brand-fallback{display:inline-flex;min-height:32px;align-items:center;font-weight:800;letter-spacing:.05em;color:var(--title)}.brand-copy{display:flex;flex-direction:column;line-height:1.15;min-width:0}.brand-copy strong{font-size:19px;color:var(--title);white-space:nowrap}.brand-copy small{margin-top:4px;font-size:11px;letter-spacing:.14em;color:var(--muted);white-space:nowrap}.desktop-actions,.mobile-actions{display:flex;align-items:center;gap:10px}.mobile-actions{display:none}.header-link,.header-button,.button-primary,.button-secondary,.text-link{min-height:44px;display:inline-flex;align-items:center;justify-content:center;border-radius:7px;padding:9px 15px;border:1px solid var(--border);transition:transform .15s ease,border-color .15s ease,background .15s ease}.header-button{background:var(--panel);cursor:pointer}.header-link:hover,.header-button:hover,.text-link:hover{border-color:var(--border-strong);background:var(--panel2)}.button-primary{background:linear-gradient(135deg,#FF4A4F 0%,#E11D2E 46%,#E25A2A 100%);color:#fff8f0;border:0;font-weight:700;box-shadow:0 10px 24px rgba(225,29,46,.18)}.button-secondary{background:var(--paper);color:#2b1b15;border-color:transparent;font-weight:700}.button-primary:hover,.button-secondary:hover{transform:translateY(-1px)}:focus-visible{outline:3px solid var(--amber);outline-offset:3px}.channel-nav{position:relative;z-index:100;background:var(--deep);border-bottom:1px solid var(--border)}.desktop-channel-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));padding-block:16px}.channel-group{min-width:0;padding:0 26px;border-right:1px solid var(--border)}.channel-group:first-child{padding-left:0}.channel-group:last-child{border-right:0;padding-right:0}.channel-group h2{margin:0 0 8px;color:var(--amber);font-size:12px;letter-spacing:.14em}.channel-links{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:5px 14px}.channel-links a,.mobile-channel-grid a{position:relative;padding:6px 8px;border-radius:5px;color:var(--muted);min-width:0}.channel-links a.is-current,.mobile-channel-grid a.is-current{color:var(--title);background:rgba(225,29,46,.11)}.channel-links a.is-current:before,.mobile-channel-grid a.is-current:before{content:"";position:absolute;left:0;top:10px;bottom:10px;width:3px;border-radius:2px;background:var(--red)}.mobile-channel-grid{display:none}.site-main{min-height:50vh}.page-section{padding:48px 0;scroll-margin-top:104px}.page-section.compact{padding:34px 0}.section-head{display:flex;align-items:end;justify-content:space-between;gap:18px;margin-bottom:22px}.section-head h2,.article-section h2{margin:0;color:var(--title);font-size:clamp(22px,2.4vw,28px);line-height:1.35}.section-kicker,.eyebrow{display:inline-block;color:var(--red2);font-weight:800;letter-spacing:.12em;font-size:12px;text-transform:uppercase}.hero{padding:54px 0 46px}.hero-grid{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:44px;align-items:center}.hero h1,.page-intro h1{margin:.3rem 0 .6rem;color:var(--title);font-size:clamp(28px,4vw,44px);line-height:1.15}.hero .leadline{font-size:clamp(20px,2.6vw,31px);font-weight:800;color:var(--paper);line-height:1.35;margin:.5rem 0 1rem}.hero p,.page-intro p{color:var(--muted);margin:0}.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}.media-box{margin:0;display:flex;align-items:center;justify-content:center;background:#100f0e;border:1px solid var(--border);border-radius:10px;padding:10px;min-width:0}.content-image,.cover-image,.app-image{display:block;width:auto;height:auto;max-width:100%;object-fit:contain;object-position:center}.content-image{max-height:240px}.cover-image{max-height:300px}.app-image{max-height:420px}.media-fallback{min-height:110px;display:flex;align-items:center;justify-content:center;padding:24px;border:1px solid var(--border);background:linear-gradient(145deg,var(--deep),var(--panel));border-radius:9px;color:var(--paper);text-align:center}.cover-text-fallback{min-height:220px;display:flex;flex-direction:column;justify-content:center;align-items:flex-start;gap:8px;padding:32px;border:1px solid var(--border-strong);border-radius:10px;background:linear-gradient(135deg,#1d0f12 0%,#0c0b0a 70%)}.cover-text-fallback span{color:var(--red2);font-size:12px;letter-spacing:.18em}.cover-text-fallback strong{font-size:clamp(22px,3vw,34px);color:var(--title);line-height:1.35}.guide-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:0;border-top:1px solid var(--border);border-left:1px solid var(--border)}.guide-item{min-width:0;padding:20px;border-right:1px solid var(--border);border-bottom:1px solid var(--border)}.guide-item strong{display:block;color:var(--title);margin-bottom:5px}.guide-item p{margin:0;color:var(--muted)}.guide-item .tag{display:inline-block;width:34px;height:3px;margin-bottom:12px;background:var(--red)}.split-grid{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:30px;align-items:start}.split-grid.equal{grid-template-columns:repeat(2,minmax(0,1fr))}.editorial-card{min-width:0;border-top:2px solid var(--red);padding-top:14px}.editorial-card h3{margin:.7rem 0 .45rem;color:var(--title);font-size:21px}.editorial-card p{margin:.4rem 0;color:var(--muted)}.focus-list,.plain-list,.steps-list{margin:16px 0 0;padding:0;list-style:none}.focus-list li,.plain-list li,.steps-list li{position:relative;padding:12px 0 12px 22px;border-top:1px solid var(--border);color:var(--text)}.focus-list li:before,.plain-list li:before{content:"";position:absolute;left:2px;top:24px;width:7px;height:7px;background:var(--red);border-radius:50%}.status-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-top:20px}.status-card{min-width:0;padding:16px;border:1px solid var(--border);border-left:4px solid var(--red);border-radius:7px;background:var(--panel)}.status-card:nth-child(2){border-left-color:var(--amber)}.status-card:nth-child(3){border-left-color:var(--rust)}.status-card:nth-child(4){border-left-color:#b76e79}.status-card:nth-child(5){border-left-color:#d39a4a}.status-card:nth-child(6){border-left-color:#9f8f7e}.status-card strong{display:block;color:var(--title)}.status-card p{margin:.4rem 0 0;color:var(--muted)}.feature-band{background:linear-gradient(135deg,#2b1117 0%,#17110f 65%,#0c0b0a 100%);border-block:1px solid var(--border-strong)}.feature-band .shell{padding-block:36px}.feature-band h2{color:var(--title);margin:0 0 8px}.feature-band p{max-width:900px;color:var(--text);margin:0}.link-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}.page-intro{padding:44px 0 28px}.breadcrumbs{font-size:14px;color:var(--muted);margin-bottom:12px}.breadcrumbs a{color:var(--paper)}.article-shell{width:min(calc(100% - 32px),var(--read));margin-inline:auto}.article-layout{width:min(calc(100% - 32px),var(--max));margin-inline:auto;display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:44px;align-items:start}.article-main{min-width:0}.article-section{padding:26px 0;border-top:1px solid var(--border);scroll-margin-top:110px}.article-section:first-child{border-top:0}.article-section h2{font-size:24px}.article-section h3{color:var(--paper);font-size:19px;margin:1.2rem 0 .5rem}.article-section p{margin:.8rem 0;color:var(--text)}.article-section .muted{color:var(--muted)}.article-aside{position:sticky;top:118px;padding:18px;border:1px solid var(--border);background:var(--panel);border-radius:8px}.article-aside h2{margin:0 0 8px;font-size:16px;color:var(--title)}.article-aside a{display:block;padding:9px 0;border-top:1px solid var(--border);color:var(--muted)}.article-aside a:hover{color:var(--title)}.topic-tags{display:flex;flex-wrap:wrap;gap:8px;margin:16px 0}.topic-tags span{padding:5px 9px;border:1px solid var(--border);border-radius:999px;color:var(--paper);font-size:13px}.compare-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin:16px 0}.compare-box{padding:18px;border:1px solid var(--border);background:var(--panel);border-radius:8px}.compare-box strong{color:var(--title)}.method-steps{counter-reset:step;list-style:none;padding:0;margin:16px 0}.method-steps li{counter-increment:step;position:relative;padding:16px 16px 16px 58px;border-top:1px solid var(--border)}.method-steps li:before{content:counter(step);position:absolute;left:8px;top:17px;width:32px;height:32px;display:grid;place-items:center;border:1px solid var(--border-strong);border-radius:50%;color:var(--red2);font-weight:800}.note-box{padding:18px 20px;border-left:4px solid var(--amber);background:var(--panel);border-radius:5px}.note-box strong{color:var(--title)}details.faq-item{border-top:1px solid var(--border)}details.faq-item summary{cursor:pointer;list-style:none;padding:18px 4px;color:var(--title);font-weight:700}details.faq-item summary::-webkit-details-marker{display:none}details.faq-item summary:after{content:"＋";float:right;color:var(--red2)}details.faq-item[open] summary:after{content:"－"}details.faq-item p{margin:0;padding:0 4px 20px;color:var(--muted)}.site-footer{background:var(--footer);color:var(--footertext);border-top:1px solid var(--border-strong);padding:42px 0 calc(34px + env(safe-area-inset-bottom))}.footer-brand{display:grid;grid-template-columns:auto minmax(0,1fr);gap:22px;align-items:start;border-bottom:1px solid var(--border);padding-bottom:26px}.footer-brand p{margin:0;max-width:780px;color:var(--muted)}.footer-directory{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:22px;padding:28px 0}.footer-directory section{min-width:0}.footer-directory h2{margin:0 0 8px;color:var(--paper);font-size:14px}.footer-directory a{display:block;color:var(--muted);padding:5px 0;font-size:14px}.footer-directory a.is-current{color:var(--title);position:relative;padding-left:10px}.footer-directory a.is-current:before{content:"";position:absolute;left:0;top:12px;width:3px;height:14px;background:var(--red)}.footer-note{border-top:1px solid var(--border);padding-top:20px;color:var(--soft);font-size:14px}.footer-note p{margin:.3rem 0}.page-backdrop{position:fixed;inset:0;z-index:700;background:rgba(0,0,0,.72);backdrop-filter:blur(2px)}.page-backdrop[hidden],.modal-panel[hidden]{display:none!important;pointer-events:none!important}.modal-panel{position:fixed;inset:0;z-index:800;display:flex;align-items:center;justify-content:center;padding:28px;pointer-events:auto}.modal-shell{width:min(960px,100%);max-height:min(86vh,820px);overflow:auto;background:var(--deep);border:1px solid var(--border-strong);box-shadow:var(--shadow);border-radius:12px;padding:22px}.modal-head{position:sticky;top:0;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:16px;background:var(--deep);padding-bottom:16px;border-bottom:1px solid var(--border)}.modal-head small{display:block;color:var(--muted);font-size:12px}.modal-brand{display:flex;align-items:center;gap:10px}.modal-brand span{display:flex;flex-direction:column}.panel-logo{height:30px}.close-button{min-width:64px;min-height:44px;border:1px solid var(--border);background:var(--panel);border-radius:7px;cursor:pointer}.directory-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;padding-top:18px}.directory-group{min-width:0;padding:16px;border:1px solid var(--border);border-radius:8px}.directory-group h2{margin:0 0 8px;font-size:16px;color:var(--paper)}.directory-item{display:block;padding:11px 0;border-top:1px solid var(--border)}.directory-item strong{display:block;color:var(--title)}.directory-item span{display:block;color:var(--muted);font-size:13px;line-height:1.6}.directory-item.is-current{padding-left:10px;border-left:3px solid var(--red)}.search-shell{width:min(720px,100%)}.search-field{padding:20px 0 12px}.search-field label{display:block;color:var(--title);font-weight:700;margin-bottom:7px}.search-field input{width:100%;min-height:48px;background:var(--panel);color:var(--title);border:1px solid var(--border);border-radius:7px;padding:10px 12px}.search-field p{margin:6px 0 0;color:var(--soft);font-size:13px}.search-status{color:var(--red2);font-weight:700}.search-results{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.search-item{min-width:0;padding:14px;border:1px solid var(--border);border-radius:7px;background:var(--panel)}.search-item strong{display:block;color:var(--title)}.search-item span{display:block;color:var(--muted);font-size:13px}.search-item[hidden]{display:none!important}.mobile-bottom-nav{display:none}.timeline{border-left:1px solid var(--border-strong);margin:20px 0 0 10px}.timeline article{position:relative;padding:0 0 22px 26px}.timeline article:before{content:"";position:absolute;left:-6px;top:9px;width:11px;height:11px;border-radius:50%;background:var(--red)}.timeline h3{margin:0;color:var(--title);font-size:18px}.timeline p{margin:.3rem 0;color:var(--muted)}.mini-index{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin:16px 0}.mini-index a{padding:13px 15px;border:1px solid var(--border);border-radius:7px;color:var(--paper)}.app-layout{display:grid;grid-template-columns:minmax(0,.72fr) minmax(0,1.28fr);gap:36px;align-items:center}.article-image{margin:12px 0 26px}.article-image .content-image{max-height:260px}.legal-list{margin:0;padding-left:1.2em}.legal-list li{margin:.7rem 0;color:var(--text)}
@media (max-width:1024px){.hero-grid,.split-grid,.article-layout,.app-layout{grid-template-columns:1fr}.article-aside{position:static}.footer-directory{grid-template-columns:repeat(3,minmax(0,1fr))}.guide-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.status-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.article-main{width:min(100%,var(--read));margin-inline:auto}.article-aside{width:min(100%,var(--read));margin-inline:auto}.directory-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:768px){:root{--header-h:68px}.shell{width:min(calc(100% - 32px),var(--max))}.brand-row{min-height:68px}.brand-logo{height:30px;max-width:112px}.brand-copy strong{font-size:17px}.brand-copy small{font-size:10px}.desktop-actions{display:none}.mobile-actions{display:flex;gap:6px}.header-button{padding:8px 10px}.desktop-channel-grid{display:none}.mobile-channel-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:4px;padding-block:10px}.mobile-channel-grid a{min-height:44px;display:flex;align-items:center}.hero{padding:36px 0}.hero-grid{gap:24px}.page-section{padding:34px 0}.page-intro{padding:32px 0 18px}.guide-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.split-grid.equal,.compare-grid{grid-template-columns:1fr}.status-grid{grid-template-columns:1fr}.content-image{max-height:220px}.cover-image{max-height:280px}.app-image{max-height:360px}.section-head{align-items:start;flex-direction:column}.footer-brand{grid-template-columns:1fr}.footer-directory{grid-template-columns:repeat(2,minmax(0,1fr))}.site-footer{padding-bottom:calc(96px + env(safe-area-inset-bottom))}.mobile-bottom-nav{position:fixed;left:0;right:0;bottom:0;z-index:500;display:grid;grid-template-columns:repeat(5,minmax(0,1fr));min-height:56px;padding-bottom:env(safe-area-inset-bottom);background:#0a0908;border-top:1px solid var(--border-strong)}.mobile-bottom-nav a{min-width:0;min-height:56px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;color:var(--muted);font-size:12px}.mobile-bottom-nav a.is-current{color:var(--title);background:rgba(225,29,46,.09)}.nav-dot{width:16px;height:3px;border-radius:3px;background:transparent}.mobile-bottom-nav a.is-current .nav-dot{background:var(--red)}.modal-panel{align-items:flex-end;padding:0}.directory-panel .modal-shell{width:100%;max-height:88dvh;max-height:min(88dvh,88vh);border-radius:14px 14px 0 0;padding:18px 16px calc(18px + env(safe-area-inset-bottom))}.search-panel .modal-shell{width:100%;height:100dvh;max-height:100dvh;border-radius:0;padding:18px 16px calc(18px + env(safe-area-inset-bottom))}.directory-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.directory-group{padding:12px}.search-results{grid-template-columns:1fr}.footer-brand-link{width:max-content}.mini-index{grid-template-columns:1fr}.article-shell{width:min(calc(100% - 32px),var(--read))}}
@media (max-width:420px){.brand-copy small{display:none}.brand-logo{max-width:92px;height:28px}.header-button{min-width:48px}.guide-grid,.directory-grid{grid-template-columns:1fr}.hero-actions,.link-row{display:grid;grid-template-columns:1fr}.button-primary,.button-secondary,.text-link{width:100%}.footer-directory{grid-template-columns:repeat(2,minmax(0,1fr))}.directory-item span{font-size:12px}.content-image{max-height:200px}.cover-image{max-height:240px}.page-section{padding:30px 0}}
@media (max-width:340px){.brand-copy strong{font-size:15px}.mobile-actions{gap:4px}.header-button{padding:7px 8px;font-size:14px}.footer-directory{grid-template-columns:1fr}}
@media (prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important;animation:none!important}}