:root{--blue:#1f3658;--text:#26384d;--muted:#6a7788;--line:#e5e9ef;--orange:#f49a2a;--box:#fff7ed;--max:980px}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:#eef2f6;color:var(--text);font-family:Arial,Helvetica,sans-serif;line-height:1.62;font-size:16px}
a{color:var(--blue);text-decoration:none}
a:hover{text-decoration:underline}
.wrapper{max-width:var(--max);margin:0 auto;background:#fff;min-height:100vh;box-shadow:0 0 0 1px #cfd6df;border-left:1px solid #cfd6df;border-right:1px solid #cfd6df}
.site-header{height:61px;background:#fff;border-bottom:1px solid #d9dee7;display:flex;align-items:center;justify-content:space-between;padding:0 24px;position:sticky;top:0;z-index:20;box-shadow:0 1px 0 rgba(0,0,0,.04)}
.logo{display:flex;align-items:center;gap:8px;color:var(--blue);text-decoration:none}
.logo-mark{width:28px;height:28px;border-radius:0;background:transparent;color:var(--orange);font-size:27px;font-weight:900;transform:rotate(-18deg);display:flex;align-items:center;justify-content:center}
.logo-text strong{display:block;font-family:Georgia,'Times New Roman',serif;font-size:24px;letter-spacing:.02em;text-transform:uppercase;line-height:1;white-space:nowrap;color:#1f3658}
.logo-text span{display:block;font-size:9px;color:#555f6e;margin-top:2px;font-weight:700}
.menu{font-size:26px;color:#2b4058;line-height:1;font-weight:900}
.hero{height:314px;background:#ccc center/cover no-repeat;display:flex;align-items:flex-end;position:relative}
.hero:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(0,0,0,.64),rgba(0,0,0,.28) 56%,rgba(0,0,0,.04))}
.hero-inner{position:relative;z-index:2;padding:0 28px 30px;max-width:760px;color:#fff;text-shadow:0 2px 14px rgba(0,0,0,.45)}
.hero h1{font-family:Georgia,'Times New Roman',serif;font-size:48px;line-height:.98;margin:0 0 10px;font-weight:800;letter-spacing:-.04em}
.hero p{font-family:Georgia,'Times New Roman',serif;font-size:21px;line-height:1.1;margin:0;font-weight:700}
.content{padding:24px 28px 42px}
.breadcrumb{display:flex;gap:9px;align-items:center;flex-wrap:wrap;font-size:12px;font-weight:700;color:#59708a;margin:0 0 24px}
.breadcrumb span:not(:last-child):after{content:"›";margin-left:9px;color:#a6b0bc}
.breadcrumb a{color:#59708a}
.intro{font-size:17px;line-height:1.75;font-weight:700;color:#344860;max-width:850px;margin:0 0 26px}
.highlight-box{background:linear-gradient(135deg,#fff9f0,#fff3e5);border-radius:9px;padding:22px 24px;margin:26px 0 24px;border:1px solid #f5e5d2;box-shadow:0 8px 24px rgba(244,154,42,.08)}
.highlight-box h2{font-size:17px;margin:0 0 15px;color:#2b4058;font-weight:800}
.highlight-list{list-style:none;margin:0;padding:0}
.highlight-list li{display:flex;gap:10px;align-items:flex-start;margin:8px 0;font-size:14px;color:#344860}
.highlight-list li:before{content:"";width:16px;height:16px;min-width:16px;margin-top:3px;border:2px solid var(--orange);border-radius:50%;display:inline-flex;background:radial-gradient(circle at center,var(--orange) 2px,transparent 3px)}
.meta{display:flex;gap:28px;flex-wrap:wrap;border-top:1px solid #edf0f4;padding-top:18px;font-size:13px;color:#344860;font-weight:700;margin-top:6px}
.meta-item{display:flex;align-items:center;gap:7px}
.article-body{margin-top:38px;border-top:1px solid #edf0f4;padding-top:28px}
.article-body h2{font-family:Georgia,'Times New Roman',serif;font-size:31px;line-height:1.18;color:#1f3658;margin:34px 0 16px}
.article-body h3{font-size:22px;line-height:1.22;color:#1f3658;margin:24px 0 12px;font-family:Georgia,'Times New Roman',serif}
.article-body p{font-size:17px;color:#2f4055;margin:0 0 18px}
.article-body ul{margin:0 0 18px 18px;color:#2f4055}.article-body li{margin:6px 0}
.table-wrap{overflow:auto;margin:24px 0;border:1px solid #e7ecf2;border-radius:10px}
table{width:100%;border-collapse:collapse;background:#fff}th,td{padding:12px 14px;border-bottom:1px solid #edf1f5;text-align:left;font-size:15px}th{background:#f8fafc;color:#1f3658}
.section-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;margin:20px 0 34px}
.section-card{display:block;border:1px solid #e4e9f0;border-radius:12px;overflow:hidden;background:#fff;box-shadow:0 8px 24px rgba(31,54,88,.08);transition:transform .14s ease, box-shadow .14s ease}
.section-card:hover{transform:translateY(-2px);box-shadow:0 14px 32px rgba(31,54,88,.12);text-decoration:none}
.section-card img{width:100%;height:170px;object-fit:cover;display:block}.section-card div{padding:18px}
.section-card strong{font-family:Georgia,'Times New Roman',serif;font-size:25px;line-height:1.02;color:var(--blue);display:block;margin-bottom:8px}
.section-card p{margin:0 0 12px;color:#31445b}.section-card small{font-weight:800;color:#708195}
.hero-cards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;margin-top:24px}
.hero-card{border:1px solid #e4e9ef;border-radius:12px;background:#fff7ed;padding:16px 18px}.hero-card strong{display:block;font-size:15px;color:#1f3658;margin-bottom:6px}.hero-card span{font-size:13px;color:#516275}
.quick-links{display:flex;flex-wrap:wrap;gap:10px;margin:22px 0 26px}.quick-links a{display:inline-flex;border:1px solid #e4e9ef;background:#fafcff;border-radius:999px;padding:9px 12px;font-size:13px;font-weight:800;color:#1f3658}
.footer{border-top:1px solid #e5e9ef;padding:22px 28px 36px;color:#7b8796;font-size:13px;background:#fff}
.design-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px;margin:24px 0 34px}.design-frame{border:1px solid #ccd4df;border-radius:8px;overflow:hidden;background:#fff;box-shadow:0 8px 24px rgba(31,54,88,.12)}.design-frame iframe{width:100%;height:620px;border:0;display:block;background:#fff}.design-frame-title{padding:12px 14px;border-bottom:1px solid #e4e9f0;font-weight:900;color:#1f3658;background:#fff}
@media (max-width:740px){.hero{height:270px}.hero h1{font-size:39px}.hero p{font-size:18px}.content{padding:20px 18px 32px}.site-header{padding:0 18px}.logo-text strong{font-size:19px}.section-grid,.hero-cards,.design-grid{grid-template-columns:1fr}.design-frame iframe{height:560px}}


.page-gallery{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin:22px 0 28px}
.page-gallery figure{margin:0;border:1px solid #e4e9f0;border-radius:12px;overflow:hidden;background:#fff;box-shadow:0 8px 24px rgba(31,54,88,.08)}
.page-gallery img{width:100%;height:240px;object-fit:cover;display:block}
.page-gallery figcaption{padding:10px 12px;font-size:13px;font-weight:700;color:#5a6880}
.photo-note{font-size:14px;color:#6b7789;margin:0 0 14px}
.gallery-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin:24px 0 10px}
.gallery-card{border:1px solid #e4e9f0;border-radius:12px;overflow:hidden;background:#fff;box-shadow:0 8px 24px rgba(31,54,88,.08)}
.gallery-card img{width:100%;height:210px;object-fit:cover;display:block}
.gallery-card div{padding:12px 14px;font-size:13px;color:#516275;font-weight:700}
@media(max-width:740px){.page-gallery,.gallery-grid{grid-template-columns:1fr}.page-gallery img,.gallery-card img{height:220px}}

/* ─── Semantic HTML5 template (pages using header/nav/main/article/aside/footer without class wrappers) ─── */

body>header{background:#fff;border-bottom:1px solid #d9dee7;box-shadow:0 1px 0 rgba(0,0,0,.04);position:sticky;top:0;z-index:20}
body>header nav{max-width:var(--max);margin:0 auto;height:61px;display:flex;align-items:center;justify-content:space-between;padding:0 24px;gap:20px}
body>header nav>a{font-family:Georgia,'Times New Roman',serif;font-size:20px;font-weight:800;color:var(--blue);text-decoration:none;letter-spacing:.02em;text-transform:uppercase;white-space:nowrap}
body>header nav ul{list-style:none;margin:0;padding:0;display:flex;gap:18px;flex-wrap:wrap}
body>header nav ul li a{font-size:14px;font-weight:700;color:var(--text)}
body>header nav ul li a:hover{color:var(--orange);text-decoration:none}

body>main{max-width:var(--max);margin:0 auto;padding:40px 28px 56px;background:#fff;display:grid;grid-template-columns:1fr 260px;gap:48px;align-items:start}

body>main>article{min-width:0}
body>main>article>header h1{font-family:Georgia,'Times New Roman',serif;font-size:40px;line-height:1.08;color:var(--blue);margin:0 0 14px;font-weight:800;letter-spacing:-.03em}
body>main>article>header>p{font-size:18px;line-height:1.7;color:#344860;font-weight:700;margin:0 0 20px}
body>main>article>header img{width:100%;height:300px;object-fit:cover;border-radius:10px;display:block;margin-bottom:32px}
body>main>article h2{font-family:Georgia,'Times New Roman',serif;font-size:28px;line-height:1.18;color:var(--blue);margin:34px 0 14px}
body>main>article h3{font-family:Georgia,'Times New Roman',serif;font-size:20px;line-height:1.22;color:var(--blue);margin:22px 0 10px}
body>main>article p{font-size:16px;color:var(--text);margin:0 0 16px;line-height:1.65}
body>main>article ul,body>main>article ol{margin:0 0 16px 22px;color:var(--text)}
body>main>article li{margin:6px 0;font-size:16px}

body>main>aside{padding-top:4px;min-width:0}
body>main>aside h3{font-family:Georgia,'Times New Roman',serif;font-size:16px;color:var(--blue);margin:24px 0 8px;padding-bottom:8px;border-bottom:2px solid var(--orange)}
body>main>aside h3:first-child{margin-top:0}
body>main>aside ul{list-style:none;margin:0 0 8px;padding:0}
body>main>aside li{border-bottom:1px solid var(--line)}
body>main>aside li a{display:block;padding:7px 4px;font-size:14px;font-weight:700;color:var(--text)}
body>main>aside li a:hover{color:var(--orange);text-decoration:none}

body>footer{border-top:1px solid var(--line);background:#fff;padding:22px 28px;text-align:center;color:var(--muted);font-size:13px}

@media(max-width:760px){body>header nav ul{display:none}body>main{grid-template-columns:1fr;padding:24px 18px 40px;gap:32px}body>main>article>header h1{font-size:28px}body>main>article>header img{height:200px}body>main>aside{border-top:2px solid var(--line);padding-top:24px}}

/* Hamburger Menu Overlay */
.site-header .menu{cursor:pointer;user-select:none;padding:4px 8px;border-radius:4px}
.site-header .menu:hover{background:#f3f5f8}
.site-header .menu:focus{outline:2px solid var(--orange);outline-offset:2px}
.nav-overlay{position:fixed;inset:0;background:rgba(15,25,40,.55);opacity:0;visibility:hidden;transition:opacity .18s ease,visibility .18s ease;z-index:1000}
.nav-overlay.is-open{opacity:1;visibility:visible}
.nav-panel{position:absolute;top:0;right:0;height:100%;width:min(360px,86vw);background:#fff;box-shadow:-12px 0 32px rgba(15,25,40,.18);transform:translateX(100%);transition:transform .22s ease;padding:22px 24px;overflow-y:auto;display:flex;flex-direction:column}
.nav-overlay.is-open .nav-panel{transform:translateX(0)}
.nav-close{position:absolute;top:12px;right:14px;background:transparent;border:0;font-size:32px;line-height:1;color:#1f3658;cursor:pointer;padding:6px 10px;border-radius:6px}
.nav-close:hover{background:#f3f5f8}
.nav-title{font-family:Georgia,'Times New Roman',serif;font-size:18px;font-weight:800;color:var(--blue);text-transform:uppercase;letter-spacing:.04em;margin:6px 0 18px;padding-bottom:14px;border-bottom:1px solid var(--line)}
.nav-list{list-style:none;margin:0;padding:0}
.nav-list li{margin:0}
.nav-list a{display:block;padding:11px 6px;color:var(--text);font-weight:700;font-size:15px;border-bottom:1px solid #f1f3f7;text-decoration:none}
.nav-list a:hover{color:var(--orange);background:#fafbfd;text-decoration:none}