@import"https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap";:root{--color-bg: #0f172a;--color-surface: #111c33;--color-surface-strong: #15223d;--color-card: #182642;--color-text: #e2e8f0;--color-muted: #94a3b8;--color-accent: #38bdf8;--color-accent-strong: #0ea5e9;--color-border: rgba(148, 163, 184, .2);--radius-lg: 20px;--radius-md: 14px;--shadow-soft: 0 20px 40px rgba(15, 23, 42, .35);--content-width: 1200px}*{box-sizing:border-box;margin:0;padding:0}body{font-family:Inter,Helvetica Neue,Arial,sans-serif;background:var(--color-bg);color:var(--color-text);line-height:1.6}img{display:block;max-width:100%}a{color:inherit;text-decoration:none}.page{width:min(var(--content-width),100% - 3rem);margin:0 auto;padding:2.5rem 0 4rem}.primary-button{display:inline-flex;align-items:center;justify-content:center;padding:.7rem 1.6rem;background:var(--color-accent);color:#0b1220;font-weight:600;border-radius:999px;transition:background .2s ease,transform .2s ease}.primary-button:hover{background:var(--color-accent-strong);transform:translateY(-1px)}[v-cloak]{display:none}.header{position:sticky;top:0;z-index:10;background:#0f172ad9;-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);border-bottom:1px solid var(--color-border)}.header-inner{width:min(var(--content-width),100% - 3rem);margin:0 auto;padding:1rem 0;display:flex;align-items:center;justify-content:space-between;gap:2rem;flex-wrap:nowrap}.header-top{display:flex;align-items:center;justify-content:space-between;width:auto;flex:0 0 auto}.brand{display:flex;align-items:center;gap:.75rem;font-weight:700;font-size:1.1rem}.brand img{width:44px;height:44px;border-radius:12px}.menu-toggle{display:none;width:40px;height:40px;border:1px solid rgba(148,163,184,.35);border-radius:10px;background:#0f172a8c;color:var(--color-text);align-items:center;justify-content:center;font-size:1.1rem}.nav{display:flex;flex-wrap:nowrap;gap:.6rem 1rem;margin-left:auto}.nav-link{display:inline-flex;align-items:center;gap:.5rem;padding:.45rem .8rem;background:#94a3b81a;border-radius:999px;color:var(--color-text);font-size:.95rem;transition:background .2s ease,color .2s ease}.nav-link:hover{background:#38bdf833;color:#e0f2fe}.nav-search{display:inline-flex;align-items:center;gap:.55rem;margin-left:.6rem;padding:.38rem .72rem;border:1px solid rgba(148,163,184,.28);border-radius:999px;background:#0f172a59}.nav-search i{font-size:.85rem;color:var(--color-muted)}.nav-search input{width:170px;border:none;outline:none;background:transparent;color:var(--color-text);font-size:.88rem}.nav-search input::placeholder{color:#94a3b8}@media (max-width: 900px){.header-inner{position:relative;flex-direction:column;align-items:flex-start;padding:.9rem 0;gap:0}.menu-toggle{display:inline-flex}.header-top{width:100%}.nav{width:100%;display:none;position:absolute;top:calc(100% + .5rem);left:0;right:0;flex-direction:column;gap:.55rem;padding:.75rem;border:1px solid rgba(148,163,184,.2);border-radius:12px;background:#0f172aeb;box-shadow:0 16px 36px #02061773;z-index:30}.nav.nav-open{display:flex}.nav-link{width:100%;justify-content:flex-start;white-space:nowrap;font-size:.92rem;border-radius:10px}.nav-search{width:100%;margin-left:0;border-radius:10px;padding:.5rem .7rem}.nav-search input{width:100%}}@media (max-width: 560px){.header-inner{width:calc(100% - 2rem)}.brand{font-size:1rem}.brand img{width:38px;height:38px}}.footer{border-top:1px solid var(--color-border);background:var(--color-surface)}.footer-inner{width:min(var(--content-width),100% - 3rem);margin:0 auto;padding:2.2rem 0 1.4rem;display:grid;gap:1.2rem}.footer-main{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,1fr) minmax(0,1fr);gap:1.2rem;align-items:start}.footer-brand{display:flex;align-items:flex-start;gap:1rem}.footer-brand img{width:52px;height:52px;border-radius:16px}.footer-brand h3{margin-bottom:.3rem}.footer-brand p{color:var(--color-muted);line-height:1.5}.footer-nav,.footer-share{padding:0}.footer-nav h4,.footer-share h4{font-size:.98rem;margin-bottom:.85rem}.footer-links{display:flex;flex-direction:column;gap:.65rem}.footer-links a{color:var(--color-text);font-weight:500;font-size:.95rem}.footer-links a:hover{color:#e0f2fe}.footer-share{display:flex;flex-direction:column;gap:.4rem}.share-links{display:flex;flex-wrap:wrap;gap:.5rem .9rem}.share-links a{display:inline-flex;align-items:center;gap:.5rem;color:var(--color-muted);font-size:.9rem}.share-links a:hover{color:var(--color-text)}.footer-meta{padding-top:1rem;border-top:1px solid rgba(148,163,184,.2);display:flex;align-items:center;justify-content:space-between;gap:1rem}.footer-badges{display:flex;flex-wrap:wrap;gap:.5rem}.footer-badges span{padding:.26rem .55rem;border-radius:999px;border:1px solid rgba(148,163,184,.22);font-size:.76rem;letter-spacing:.02em;color:var(--color-muted)}.footer-copy{color:var(--color-muted);font-size:.9rem}@media (max-width: 920px){.footer-main{grid-template-columns:1fr 1fr}.footer-brand{grid-column:span 2}}@media (max-width: 700px){.footer-inner{width:calc(100% - 2rem);padding:1.6rem 0 1.2rem}.footer-main{grid-template-columns:1fr}.footer-brand{grid-column:auto}.footer-meta{flex-direction:column;align-items:flex-start}.footer-badges{order:2}.footer-copy{order:1}}.hero{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:2rem;align-items:center;margin-bottom:3rem}.hero-content{display:flex;flex-direction:column;gap:1rem}.eyebrow{text-transform:uppercase;letter-spacing:.2em;font-size:.75rem;color:var(--color-muted)}.hero h1{font-size:clamp(2rem,3vw,3rem);line-height:1.2}.hero-subtitle{color:var(--color-muted);max-width:520px}.hero-stats{display:flex;flex-wrap:wrap;gap:1rem 2rem}.stat{display:flex;flex-direction:column;gap:.2rem}.stat-value{font-size:1.6rem;font-weight:700}.stat-label{color:var(--color-muted);font-size:.85rem}.hero-highlight{background:var(--color-surface-strong);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-soft)}.hero-highlight img{width:100%;height:220px;object-fit:cover}.hero-highlight-body{padding:1.5rem;display:flex;flex-direction:column;gap:.8rem}.hero-highlight-body p{display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}.meta{display:flex;flex-wrap:wrap;gap:.8rem;font-size:.85rem;color:var(--color-muted)}.category-section{margin-bottom:3rem}.section-header{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:1rem;margin-bottom:1.5rem}.section-title{display:flex;align-items:center;gap:1rem}.section-title i{font-size:1.6rem;color:var(--color-accent)}.section-title h2{font-size:1.6rem}.section-title p{color:var(--color-muted);font-size:.95rem}.section-link{display:inline-flex;align-items:center;gap:.5rem;color:var(--color-accent);font-weight:600}.section-link i{font-size:.85rem}.article-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:1.5rem}.article-card{background:var(--color-card);border-radius:var(--radius-md);overflow:hidden;box-shadow:var(--shadow-soft);border:1px solid rgba(148,163,184,.14);display:flex;flex-direction:column;height:100%;grid-column:span 1;transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease}.article-image img{width:100%;height:180px;object-fit:cover;transition:transform .35s ease}.article-body{padding:1.2rem;display:flex;flex-direction:column;gap:.7rem}.article-title{font-size:1.1rem;font-weight:600;line-height:1.4}.article-excerpt{color:var(--color-muted);font-size:.95rem;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}.article-grid .article-card:nth-child(1),.article-grid .article-card:nth-child(2),.article-grid .article-card:nth-child(5),.article-grid .article-card:nth-child(6){grid-column:span 2}.article-grid .article-card:nth-child(9),.article-grid .article-card:nth-child(10){grid-column:span 2}.article-grid .article-card:nth-child(1) .article-image img,.article-grid .article-card:nth-child(2) .article-image img,.article-grid .article-card:nth-child(5) .article-image img,.article-grid .article-card:nth-child(6) .article-image img{height:220px}@media (hover: hover){.article-card:hover{transform:translateY(-6px);box-shadow:0 24px 40px #0206176b;border-color:#38bdf859}.article-card:hover .article-image img{transform:scale(1.04)}}.hot-news{margin-bottom:3rem}.hot-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:1.5rem}.hot-title{display:flex;align-items:center;gap:1rem}.hot-title i{font-size:1.6rem;color:#fbbf24}.hot-title h2{font-size:1.6rem}.hot-title p{color:var(--color-muted);font-size:.95rem}.hot-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:1.5rem}.hot-item{display:grid;grid-template-columns:1fr;background:var(--color-card);border-radius:var(--radius-md);overflow:hidden;box-shadow:var(--shadow-soft);border:1px solid rgba(148,163,184,.14);transition:transform .25s ease,box-shadow .25s ease}.hot-item:nth-child(odd){transform:translateY(-12px)}.hot-item:nth-child(2n){transform:translateY(12px)}.hot-item:hover{transform:translateY(-16px);box-shadow:0 24px 40px #0206176b}.hot-feature{grid-column:span 1;grid-row:span 1}.hot-feature .hot-image img{height:170px}.hot-image img{width:100%;height:170px;object-fit:cover}.hot-body{padding:1.2rem;display:flex;flex-direction:column;gap:.8rem}.hot-meta{display:flex;flex-wrap:wrap;gap:.8rem;font-size:.85rem;color:var(--color-muted)}.hot-meta i{margin-right:.35rem}.hot-title-link{font-size:1.1rem;font-weight:600;line-height:1.4}.hot-excerpt{color:var(--color-muted);font-size:.95rem;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}.bmi-tool{margin-bottom:3rem}.bmi-header{margin-bottom:1.5rem}.bmi-header .section-title i{color:var(--color-accent)}.bmi-grid{display:grid;grid-template-columns:minmax(260px,.95fr) minmax(0,1.45fr);gap:1.2rem}.bmi-card{background:var(--color-card);border-radius:var(--radius-md);border:1px solid rgba(148,163,184,.14);box-shadow:var(--shadow-soft)}.bmi-form-card{width:100%;min-width:0;padding:1.2rem}.bmi-form{display:flex;flex-direction:column;gap:.9rem}.bmi-field{display:flex;flex-direction:column;gap:.4rem}.bmi-field span{font-size:.9rem;color:var(--color-muted)}.bmi-field input{width:100%;border:1px solid rgba(148,163,184,.28);border-radius:10px;background:#0f172aad;color:var(--color-text);padding:.65rem .75rem;font:inherit}.bmi-field input:focus{outline:none;border-color:#38bdf8cc;box-shadow:0 0 0 3px #38bdf829}.bmi-actions{display:flex;gap:.7rem}.bmi-action-button{border:0;cursor:pointer;font:inherit;white-space:nowrap}.bmi-secondary-button{display:inline-flex;align-items:center;justify-content:center;border-radius:999px;padding:.7rem 1.1rem;color:var(--color-text);background:#94a3b82e}.bmi-secondary-button:disabled{opacity:.45;cursor:not-allowed}.bmi-result{margin-top:1rem;border-radius:12px;background:#0f172aa6;border:1px solid rgba(56,189,248,.25);padding:.9rem}.bmi-result-value{font-size:1.8rem;line-height:1.1;font-weight:700}.bmi-result-label{font-weight:600}.bmi-result-note{margin-top:.4rem;color:var(--color-muted);font-size:.9rem}.bmi-table-card{width:100%;min-width:0;padding:1.2rem}.bmi-table-header{display:flex;align-items:center;justify-content:space-between;gap:.8rem;margin-bottom:.8rem}.bmi-table-header h3{font-size:1.05rem}.bmi-table-wrap{max-width:100%;overflow-x:auto}.bmi-table{width:100%;border-collapse:collapse;min-width:560px}.bmi-table th,.bmi-table td{text-align:left;padding:.7rem .55rem;border-bottom:1px solid rgba(148,163,184,.16);font-size:.9rem}.bmi-table th{color:var(--color-muted);font-weight:600}.bmi-empty{color:var(--color-muted);font-size:.95rem;padding:.5rem 0}.theme-0 .article-grid{border-top:2px solid rgba(56,189,248,.32);padding-top:1rem}.theme-0 .article-card:first-child .article-image img{border-radius:14px 14px 10px 10px}.theme-1 .article-grid{border-top:2px solid rgba(74,222,128,.32);padding-top:1rem}.theme-1 .article-card:nth-child(3) .article-image img{filter:saturate(1.08)}.theme-2 .article-grid{border-top:2px solid rgba(244,114,182,.32);padding-top:1rem}.theme-2 .article-card{border-radius:16px 16px 28px 28px}.faq-section{margin-bottom:3rem;padding:2rem;border-radius:var(--radius-lg);background:#0f172a99;border:1px solid rgba(148,163,184,.18)}.faq-header{margin-bottom:1.2rem}.faq-header h2{font-size:1.7rem;margin-bottom:.4rem}.faq-header p{color:var(--color-muted)}.faq-list{display:grid;gap:.9rem}.faq-item{border:1px solid rgba(148,163,184,.2);border-radius:12px;background:#182642cc;padding:.95rem 1rem}.faq-item summary{cursor:pointer;font-weight:600;line-height:1.4}.faq-item p{margin-top:.75rem;color:var(--color-muted);font-size:.95rem}@media (max-width: 720px){.article-grid{grid-template-columns:repeat(1,minmax(0,1fr))!important}.article-grid .article-card{grid-column:span 1!important}.hero{grid-template-columns:1fr}.hero-highlight img{height:200px}.hot-grid{grid-template-columns:1fr}.hot-feature{grid-column:auto;grid-row:auto}.hot-item:nth-child(odd),.hot-item:nth-child(2n){transform:none}.hot-item:hover{transform:translateY(-4px)}.bmi-grid{grid-template-columns:minmax(0,1fr)}}@media (max-width: 1100px){.hero{grid-template-columns:1fr;gap:1.4rem}.section-header{align-items:flex-start}.article-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:1rem}.article-grid .article-card:nth-child(1),.article-grid .article-card:nth-child(2),.article-grid .article-card:nth-child(5),.article-grid .article-card:nth-child(6){grid-column:span 1}.article-grid .article-card:nth-child(1) .article-image img,.article-grid .article-card:nth-child(2) .article-image img,.article-grid .article-card:nth-child(5) .article-image img,.article-grid .article-card:nth-child(6) .article-image img{height:180px}.hot-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:1rem}.hot-body{gap:.6rem}.hot-title-link{font-size:1rem;line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.hot-excerpt{-webkit-line-clamp:2}.hot-item:nth-child(odd),.hot-item:nth-child(2n){transform:none}.bmi-grid{grid-template-columns:minmax(0,1fr)}}@media (max-width: 560px){.hero-content h1{font-size:1.65rem}.hero-highlight-body,.article-body,.hot-body{padding:1rem}.section-title h2{font-size:1.3rem}.section-title p,.hot-title p{font-size:.9rem}.hot-title{gap:.65rem}.hot-title i{font-size:1.2rem}.hot-image img,.hot-feature .hot-image img,.article-image img{height:165px}.bmi-actions{flex-direction:column}.bmi-action-button{width:100%}.bmi-table{min-width:520px}.faq-section{padding:1.25rem}.faq-header h2{font-size:1.35rem}}