:root{--brand:#ff671d;--brand-dark:#e55613;--ink:#222;--ink-soft:#222;--muted:#666;--muted-light:#999;--line:#e1e4e8;--soft:#f2f3f5;--soft-2:#f2f3f5;--white:#fff;--black:#000;--panel-dark:#222;--shadow:0 2px 12px 0 #0000001a}@font-face{font-family:Roboto-Regular;src:url(https://www.mthreads.com/_nuxt/fonts/Roboto-Regular.f25bd05.ttf)format("truetype");font-display:swap}@font-face{font-family:Roboto-Black;src:url(https://www.mthreads.com/_nuxt/fonts/Roboto-Black.4571578.ttf)format("truetype");font-display:swap}@font-face{font-family:Akrobat-Bold;src:url(https://www.mthreads.com/_nuxt/fonts/Akrobat-Bold.02bb6e6.otf)format("opentype");font-display:swap}*{box-sizing:border-box}html{scroll-behavior:smooth}.sr-only{clip:rect(0, 0, 0, 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}body{color:var(--ink);background:var(--soft);flex-direction:column;min-height:100vh;margin:0;font-family:Roboto-Regular,PingFang SC,Hiragino Sans GB,Arial,Microsoft YaHei,Helvetica Neue,sans-serif;line-height:1.6;display:flex}main{flex:1 0 auto}a{color:inherit;text-decoration:none}.site-header{z-index:20;color:var(--white);background:#000;border-bottom:1px solid #ffffff14;position:sticky;top:0}.catalog,.notes,.footer-inner{width:min(1500px,100% - 200px);margin:0 auto}.header-inner{align-items:center;gap:40px;width:min(145rem,100% - 80px);min-height:64px;margin:0 auto;display:flex}.brand{flex:none;align-items:center;gap:8px;display:flex}.brand-mark{background-image:var(--brand-logo);background-position:50%;background-repeat:no-repeat;background-size:contain;width:34px;height:32px;position:relative;overflow:hidden}.brand-mark:before{content:"";opacity:0;background-image:var(--brand-logo-animation);background-position:50% 0;background-repeat:no-repeat;background-size:100%;position:absolute;inset:0}.brand:hover .brand-mark:before{opacity:1;animation:2.2s steps(80,end) both logo-sprite}.brand-text{width:138px;height:auto}.nav-links{color:#ffffffe6;white-space:nowrap;flex:1;min-width:0;font-size:16px;line-height:1.5}.nav-menu{align-items:center;margin:0;padding:0;list-style:none;display:flex}.nav-menu>li{padding:16px 12px;position:relative}.nav-menu a,.nav-parent{color:inherit;font:inherit;line-height:inherit;cursor:pointer;white-space:nowrap;background:0 0;border:0;align-items:center;gap:8px;display:inline-flex}.nav-menu a:hover,.nav-parent:hover,.has-submenu:focus-within .nav-parent,.has-submenu:hover .nav-parent{color:var(--brand)}.nav-caret{border-bottom:1px solid;border-right:1px solid;width:8px;height:8px;transition:transform .2s;transform:translateY(-2px)rotate(45deg)}.has-submenu:hover .nav-caret,.has-submenu:focus-within .nav-caret{transform:translateY(2px)rotate(225deg)}.nav-submenu{z-index:30;color:#ffffffe6;opacity:0;visibility:hidden;background:#000000f2;min-width:120px;margin:0;padding:16px 0;list-style:none;transition:opacity .2s,transform .2s,visibility .2s;position:absolute;top:100%;left:50%;transform:translate(-50%,-8px);box-shadow:0 8px 18px #0000002e}.has-submenu:hover .nav-submenu,.has-submenu:focus-within .nav-submenu{opacity:1;visibility:visible;transform:translate(-50%)}.nav-submenu li{padding:0 16px}.nav-submenu li+li{margin-top:16px}.nav-submenu a{font-size:14px;line-height:1.25rem}.login-link{color:#fff;white-space:nowrap;flex:none;font-size:16px;line-height:1.5}.login-link:hover{color:var(--brand)}.mobile-menu{display:none}@keyframes logo-sprite{0%{background-position:50% 0}to{background-position:50% 100%}}.page-hero{color:var(--ink);background:#f3f4f6}.page-hero-inner{padding:0}.hero-banner{height:clamp(240px,24vw,360px);min-height:clamp(240px,24vw,360px);box-shadow:none;background:#ffffffeb;border:0;border-radius:0;position:relative;overflow:hidden}.hero-media{object-fit:cover;width:100%;height:100%;display:block}.hero-copy{z-index:1;flex-direction:column;justify-content:center;align-items:flex-start;gap:14px;width:min(1500px,100% - 200px);max-width:none;margin:0 auto;padding:0;display:flex;position:absolute;inset:0}.breadcrumb{color:#2222228a;margin:0;font-size:14px;font-weight:700}.hero-title-row{align-items:end;display:flex}h1{letter-spacing:-.04em;margin:0;font-size:clamp(34px,4.5vw,48px);line-height:1.05}.page-hero .hero-title-row h1{color:var(--ink)}.hero-description{color:#222222ad;max-width:420px;margin:0;font-size:16px;line-height:1.7}h1,.catalog h2,.notes h2{font-family:Roboto-Regular,PingFang SC,Microsoft YaHei,sans-serif;font-weight:600}.catalog{box-shadow:none;background:0 0;border:0;border-radius:0;margin-top:32px;margin-bottom:56px;padding:0}.catalog-header{justify-content:space-between;align-items:center;gap:24px;margin-bottom:22px;display:flex}.catalog h2{letter-spacing:-.02em;margin:0;font-size:24px;font-weight:600}.notes h2{letter-spacing:-.02em;margin:0;font-size:26px;font-weight:600}.catalog-note{color:var(--muted);margin:8px 0 0;font-size:14px;line-height:1.6}.catalog-header p{color:var(--muted);margin:6px 0 0}.catalog-body{grid-template-columns:260px minmax(0,1fr);align-items:start;gap:24px;display:grid}.catalog-sidebar{gap:16px;display:grid;position:sticky;top:88px}.catalog-results{min-width:0}.results-card,.sidebar-card{background:var(--white);box-shadow:none;border:0;border-radius:12px}.results-card{padding:28px 32px 32px}.sidebar-card{padding:24px}.sidebar-title-row{justify-content:space-between;align-items:center;gap:12px;margin-bottom:16px;display:flex}.sidebar-title-row h3{margin:0;font-size:18px;font-weight:600;line-height:1.2}.sidebar-title-row p{color:var(--muted);margin:6px 0 0;font-size:13px;line-height:1.5}.search-field{color:var(--muted);gap:8px;font-size:13px;font-weight:600;display:grid}.catalog-search{flex:none;width:min(360px,38vw)}.filters.filters-vertical{grid-template-columns:1fr;gap:12px;margin-bottom:0;display:grid}.reset-button,.actions button{font:inherit;cursor:pointer;white-space:nowrap;border:0;border-radius:8px;padding:10px 16px;font-size:14px;font-weight:600;line-height:1.4}.actions button{background:var(--brand);color:var(--white)}.reset-button{color:var(--muted);font:inherit;cursor:pointer;background:0 0;border:0;border-radius:0;align-self:center;margin:0;padding:2px 0;font-size:13px;font-weight:500;line-height:1.2}.reset-button:hover{color:var(--brand)}.actions button:hover{filter:brightness(1.05)}.filters{grid-template-columns:minmax(260px,1.5fr) repeat(3,minmax(150px,1fr));gap:14px;margin-bottom:24px;display:grid}.filters label{color:var(--muted);gap:8px;font-size:13px;font-weight:600;display:grid}.filters input,.filters select,.search-field input{border:1px solid var(--line);background:var(--white);width:100%;min-height:44px;color:var(--ink);font:inherit;border-radius:8px;padding:0 14px}.filters select{appearance:none;cursor:pointer;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8' fill='none'%3E%3Cpath d='M1 1.5L6 6.5L11 1.5' stroke='%23666666' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");background-position:right 14px center;background-repeat:no-repeat;padding-right:36px}.custom-select{position:relative}.custom-select-trigger{border:1px solid var(--line);background:var(--white);width:100%;min-height:44px;color:var(--ink);font:inherit;cursor:pointer;text-align:left;border-radius:8px;justify-content:space-between;align-items:center;gap:8px;padding:0 14px;font-weight:500;display:flex}.custom-select-trigger:focus,.custom-select.is-open .custom-select-trigger{box-shadow:none;border-color:#999;outline:none}.custom-select-arrow{flex:none;transition:transform .2s}.custom-select.is-open .custom-select-arrow{transform:rotate(180deg)}.custom-select-menu{z-index:20;background:var(--white);border:1px solid var(--line);opacity:0;visibility:hidden;border-radius:8px;max-height:240px;margin:0;padding:4px;list-style:none;transition:opacity .15s,transform .15s,visibility .15s;position:absolute;top:calc(100% + 4px);left:0;right:0;overflow-y:auto;transform:translateY(-4px);box-shadow:0 4px 16px #0000001f}.custom-select.is-open .custom-select-menu{opacity:1;visibility:visible;transform:translateY(0)}.custom-select-option{color:var(--ink);cursor:pointer;border-radius:6px;padding:9px 12px;font-size:14px;transition:background .12s}.custom-select-option:hover{color:var(--brand);background:#fff3ed}.custom-select-option.is-active{color:var(--brand);background:#fff3ed;font-weight:700}.search-field input:focus,.filters input:focus,.filters select:focus{box-shadow:none;border-color:#999;outline:none}.table-wrap{overflow-x:auto}table{border-collapse:collapse;table-layout:fixed;width:100%;min-width:900px}th:first-child,td:first-child{width:16%}th:nth-child(2),td:nth-child(2){width:24%}th:nth-child(3),td:nth-child(3){width:28%}th:nth-child(4),td:nth-child(4){width:12%}th:nth-child(5),td:nth-child(5){width:20%}th{background:var(--soft-2);color:var(--muted);text-align:left;white-space:nowrap;padding:14px 16px;font-size:13px;font-weight:600}th:nth-child(4),td:nth-child(4){text-align:center}td:nth-child(4){color:var(--muted);font-size:14px}td{border-bottom:1px solid var(--line);vertical-align:top;padding:18px 16px}tbody tr:hover{background:#f1f1f1}td strong{margin-bottom:8px;font-weight:600;display:block}.type-tag{background:var(--soft);color:var(--muted);border-radius:999px;padding:3px 9px;font-size:12px;font-weight:700;display:inline-flex}td code{color:#666;white-space:normal;word-break:break-all;background:#f1f1f1;border-radius:8px;max-width:none;padding:9px 10px;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:11.5px;display:block}td small{color:var(--muted);margin-top:6px;display:block}.actions{text-align:right;white-space:nowrap}.actions button,.actions a{vertical-align:middle;justify-content:center;align-items:center;min-width:68px;min-height:40px;font-size:14px;line-height:1.4;display:inline-flex}.actions a{background:var(--white);border:1px solid var(--line);color:var(--muted);border-radius:8px;margin-right:10px;padding:10px 14px;font-weight:600}.actions a:hover{color:var(--ink);border-color:var(--muted-light)}.actions button:focus,.actions a:focus{box-shadow:none;outline:none}.actions button:focus-visible,.actions a:focus-visible{outline:2px solid var(--brand);outline-offset:2px}.empty-state{color:var(--muted);text-align:center;padding:28px}.resource-cards{gap:14px;display:none}.resource-card{border:1px solid var(--line);background:var(--white);border-radius:12px;padding:18px}.resource-card-head{justify-content:space-between;align-items:flex-start;gap:16px;margin-bottom:14px;display:flex}.resource-card-head strong{margin-bottom:8px;font-size:16px;font-weight:600;line-height:1.35;display:block}.resource-date{color:var(--muted);white-space:nowrap;font-size:13px}.resource-card-meta{gap:12px;margin-bottom:16px;display:grid}.resource-card-label{color:var(--muted);margin-bottom:6px;font-size:12px;font-weight:600;display:block}.resource-card-meta p{color:var(--ink);margin:0;line-height:1.5}.resource-card-meta code{color:#666;white-space:normal;word-break:break-all;background:#f1f1f1;border-radius:8px;max-width:none;padding:9px 10px;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:11.5px;display:block}.resource-card-meta small{color:var(--muted);margin-top:6px;display:block}.resource-card-actions{gap:10px;display:flex}.resource-card-actions a,.resource-card-actions button{min-height:40px;font:inherit;border:1px solid #0000;border-radius:8px;flex:1;justify-content:center;align-items:center;padding:10px 14px;font-size:14px;font-weight:600;line-height:1.4}.resource-card-actions a{background:var(--white);border:1px solid var(--line);color:var(--muted);display:inline-flex}.resource-card-actions button{background:var(--brand);color:var(--white);cursor:pointer;display:inline-flex}.resource-card-actions a:hover{color:var(--ink);border-color:var(--muted-light)}.resource-card-actions button:hover{filter:brightness(1.05)}.notes{background:var(--white);border:1px solid var(--line);border-radius:8px;margin-top:24px;margin-bottom:56px;padding:28px 32px}.notes ul{color:var(--muted);margin:14px 0 0;padding-left:20px}.notes li+li{margin-top:8px}.notes code{color:var(--brand-dark)}.site-footer{color:var(--white);background:#222;flex-shrink:0;margin-top:auto}.footer-inner{width:min(1450px,100% - 32px);min-height:auto;padding:24px 0 40px}.footer-contact{justify-content:flex-end;display:flex}.footer-contact a{color:#ffffffd9;align-items:center;gap:8px;font-size:14px;transition:color .2s;display:inline-flex}.footer-contact a:hover{color:var(--brand)}.footer-contact svg{fill:none;stroke:currentColor;stroke-linecap:round;stroke-linejoin:round;stroke-width:1.8px;width:16px;height:16px}.footer-bottom{color:#ffffffb3;text-align:right;border-top:1px solid #ffffff59;margin-top:20px;padding-top:20px;font-size:12px;line-height:1.55}.footer-bottom a{transition:color .2s}.footer-bottom a:hover{color:var(--brand)}.footer-legal-links span{color:#ffffff59;margin:0 6px}.footer-legal-links{flex-wrap:wrap;justify-content:flex-end;display:flex}.footer-records{flex-wrap:wrap;justify-content:flex-end;gap:12px;margin-top:2px;display:flex}.toast{opacity:0;pointer-events:none;background:var(--panel-dark);color:#fff;box-shadow:var(--shadow);z-index:50;border-radius:999px;padding:12px 18px;transition:opacity .2s,transform .2s;position:fixed;top:0;left:0;transform:translateY(8px)}.toast.show{opacity:1;transform:translateY(0)}@media (width<=960px){.nav-links,.login-link{display:none}.mobile-menu{background:0 0;border:0;gap:6px;width:24px;margin-left:auto;padding:0;display:grid}.mobile-menu span{background:#fff;height:2px}.hero-copy,.catalog-header{display:block}.catalog-search{width:100%;margin-top:16px}.hero-summary{justify-content:flex-start;margin-top:22px}.catalog-body{grid-template-columns:1fr}.catalog-sidebar{position:static}}@media (width<=1100px){.table-wrap{display:none}.resource-cards{gap:12px;display:grid}.resource-card{border-radius:10px;padding:14px}.resource-card-head{gap:12px;margin-bottom:10px}.resource-card-head strong{margin-bottom:6px;font-size:15px}.resource-date{font-size:12px}.resource-card-meta{gap:10px;margin-bottom:12px}.resource-card-label{margin-bottom:4px;font-size:12px}.resource-card-meta p{line-height:1.4}.resource-card-meta code{border-radius:7px;padding:8px 9px;font-size:11px}.resource-card-meta small{margin-top:4px;font-size:12px}.resource-card-actions{gap:8px}.resource-card-actions a,.resource-card-actions button{min-height:38px;padding:9px 12px;font-size:13px}}@media (width<=680px){.header-inner,.catalog,.notes,.footer-inner{width:min(100% - 28px,1180px)}.brand{min-width:0}.brand-text{width:128px}.catalog{padding:0}.hero-banner{border-radius:0;height:180px;min-height:180px}.hero-copy{gap:10px;width:min(100% - 28px,1180px)}.hero-description{max-width:260px;font-size:13px;line-height:1.55}.notes{padding:22px}.results-card{padding:18px}.sidebar-card{padding:16px}.sidebar-title-row{display:block}.reset-button{margin-top:12px}.footer-inner{width:min(1450px,100% - 32px);padding:24px 0 36px}.footer-contact{justify-content:flex-start}.footer-bottom{text-align:left}.footer-records{justify-content:flex-start;gap:0 16px}}@media (width>=768px){.footer-bottom{font-size:14px}}