:root {
    --primary: #73bf03;
    --primary-strong: #527f05;
    --primary-dark: #193735;
    --primary-soft: #f0f9e4;
    --ink: #193735;
    --muted: #738078;
    --line: #e4ebe1;
    --bg: #f5f7f2;
    --panel: #ffffff;
    --radius: 12px;
    --shadow: 0 6px 24px rgba(30, 65, 90, .08);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    background: var(--bg);
    color: var(--ink);
    font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif;
    font-size: 14px;
    line-height: 1.55;
    -webkit-font-smoothing: antialiased;
}
body.with-tabs { padding-bottom: calc(74px + env(safe-area-inset-bottom)); }
a { color: inherit; text-decoration: none; }
button, input, textarea, select { font: inherit; }
button { cursor: pointer; }
img { display: block; max-width: 100%; }
.container { width: min(1120px, calc(100% - 32px)); margin: 0 auto; }
.app-main { min-height: calc(100vh - 128px); }

.site-header {
    position: sticky;
    top: 0;
    z-index: 30;
    background: rgba(255, 255, 255, .98);
    border-bottom: 1px solid #e8ede4;
    backdrop-filter: blur(16px);
}
.header-inner {
    height: 62px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}
.brand { min-width: 0; display: flex; align-items: center; }
.brand-logo { width: auto; max-width: min(190px, 52vw); height: 38px; object-fit: contain; }
.brand-mark {
    width: 34px;
    height: 34px;
    border-radius: 8px;
    background: #73bf03;
    color: #193735;
    display: grid;
    place-items: center;
    font-size: 17px;
    font-weight: 800;
    box-shadow: 0 4px 14px rgba(115, 191, 3, .24);
}
.brand strong {
    display: block;
    max-width: 220px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    font-size: 16px;
    font-weight: 600;
}
.brand strong { color: #193735; }
.brand small { display: block; color: #849188; font-size: 10px; line-height: 1.2; margin-top: 2px; }
.main-nav { display: flex; align-items: center; gap: 7px; }
.header-icon {
    width: 34px;
    height: 34px;
    border-radius: 50%;
    display: grid;
    place-items: center;
    color: #52645a;
    background: #f1f5ee;
}
.auth-entry {
    border: 0;
    background: #f1f5ee;
    color: #52645a;
    border-radius: 999px;
    height: 34px;
    padding: 0 11px 0 5px;
    display: flex;
    align-items: center;
    gap: 5px;
    font-size: 11px;
    max-width: 122px;
}
.auth-entry > span:last-child { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.auth-avatar {
    width: 25px;
    height: 25px;
    border-radius: 50%;
    display: grid;
    place-items: center;
    background: #e5e9ed;
    color: #69747e;
}
.auth-entry.is-authenticated .auth-avatar { background: var(--primary-soft); color: var(--primary-strong); }
.home-page { padding: 18px 0 42px; }

.banner-carousel {
    position: relative;
    overflow: hidden;
    border-radius: 14px;
    background: #e8eef3;
    box-shadow: 0 5px 18px rgba(28, 54, 77, .07);
}
.banner-track { position: relative; aspect-ratio: 2.55 / 1; min-height: 170px; }
.banner-slide {
    position: absolute;
    inset: 0;
    display: block;
    padding: 0;
    color: #fff;
    background:
        radial-gradient(circle at 88% 10%, rgba(115, 191, 3, .3), transparent 31%),
        linear-gradient(115deg, #193735, #285247 55%, #3d6a4f);
    opacity: 0;
    transform: translateX(16px);
    pointer-events: none;
    transition: opacity .45s ease, transform .45s ease;
}
.banner-slide:nth-child(2n) { background: linear-gradient(115deg, #193735, #36574a 58%, #6d8f58); }
.banner-slide:nth-child(3n) { background: linear-gradient(115deg, #102b29, #264a40 57%, #52774a); }
.banner-slide.is-active { opacity: 1; transform: translateX(0); pointer-events: auto; z-index: 1; }
.banner-copy {
    position: relative;
    z-index: 2;
    min-width: 0;
    height: 100%;
    width: 62%;
    padding: clamp(18px, 3vw, 36px) clamp(20px, 4vw, 48px);
    display: flex;
    flex-direction: column;
    justify-content: center;
    background: linear-gradient(90deg, rgba(25, 55, 53, .9), rgba(25, 55, 53, .5) 68%, transparent);
}
.banner-kicker { display: inline-block; font-size: 10px; letter-spacing: .1em; background: rgba(255, 255, 255, .17); padding: 4px 8px; border-radius: 4px; }
.banner-copy h2 {
    margin: 9px 0 7px;
    max-width: 550px;
    font-size: clamp(22px, 3.4vw, 36px);
    line-height: 1.22;
    font-weight: 600;
}
.banner-copy p {
    margin: 0;
    color: rgba(255, 255, 255, .82);
    font-size: clamp(11px, 1.3vw, 13px);
    max-width: 540px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.banner-link { margin-top: 12px; display: inline-flex; align-items: center; gap: 5px; font-size: 11px; font-weight: 600; }
.banner-slide > img {
    position: absolute;
    inset: 0;
    z-index: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.banner-dots { position: absolute; z-index: 3; left: 50%; bottom: 9px; transform: translateX(-50%); display: flex; gap: 5px; }
.banner-dots button { width: 5px; height: 5px; border-radius: 999px; padding: 0; border: 0; background: rgba(255, 255, 255, .5); transition: .25s; }
.banner-dots button.active { width: 16px; background: #73bf03; }

.notice-bar {
    margin-top: 10px;
    min-height: 40px;
    padding: 7px 11px;
    border-radius: 8px;
    background: #fff;
    display: flex;
    align-items: center;
    gap: 9px;
    color: #555f68;
    font-size: 12px;
}
.notice-icon { flex: 0 0 auto; height: 22px; padding: 0 6px; border-radius: 4px; background: #73bf03; color: #193735; display: grid; place-items: center; font-size: 10px; font-weight: 700; }
.notice-text { flex: 1; min-width: 0; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.notice-bar > svg { color: #a6afb7; flex: 0 0 auto; }

.home-search {
    margin-top: 12px;
    height: 42px;
    border: 1px solid #dce4eb;
    border-radius: 8px;
    background: #fff;
    display: grid;
    grid-template-columns: 38px 1fr auto;
    align-items: center;
    overflow: hidden;
}
.search-leading { color: #9aa5af; display: grid; place-items: center; }
.home-search input { min-width: 0; border: 0; outline: 0; background: transparent; color: var(--ink); padding: 0 4px; font-size: 13px; }
.home-search button { border: 0; align-self: stretch; padding: 0 16px; background: #193735; color: #8bd326; font-size: 12px; }

.quick-section { margin-top: 22px; }
.section-title-row { display: flex; justify-content: space-between; align-items: flex-end; gap: 12px; margin-bottom: 14px; }
.section-title-row h1, .section-title-row h2 { margin: 0; padding-left: 10px; border-left: 4px solid #73bf03; font-size: 20px; line-height: 1.3; font-weight: 600; color: #193735; }
.section-title-row p { margin: 4px 0 0; color: #9aa3ab; font-size: 11px; }
.section-title-row > a { color: var(--primary-strong); font-size: 11px; }
.total-pill { color: #527f05; background: #edf8dd; padding: 5px 9px; border-radius: 999px; font-size: 10px; white-space: nowrap; }
.quick-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; max-width: 760px; margin: 0 auto; }
.quick-item {
    min-width: 0;
    min-height: 105px;
    background: #fff;
    border-radius: 10px;
    padding: 13px 8px 10px;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    transition: transform .18s ease, box-shadow .18s ease;
}
.quick-item:active { transform: scale(.98); }
.quick-icon {
    width: 45px;
    height: 45px;
    border-radius: 13px;
    display: grid;
    place-items: center;
    color: #fff;
}
.quick-icon.blue, .quick-icon.violet { background: #193735; color: #73bf03; }
.quick-icon.cyan, .quick-icon.green { background: #e8f6d6; color: #4f8500; border: 1px solid #d8eabd; }
.quick-icon.orange, .quick-icon.slate { background: #73bf03; color: #193735; }
.quick-item strong { margin-top: 8px; font-size: 13px; font-weight: 500; }
.quick-item small { margin-top: 2px; color: #a0a8af; font-size: 9px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 100%; }

.feature-strip {
    margin-top: 16px;
    min-height: 72px;
    padding: 13px 16px;
    border-radius: 10px;
    color: #fff;
    background: linear-gradient(110deg, #193735, #2c5146);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    overflow: hidden;
    position: relative;
}
.feature-strip::after { content: ""; position: absolute; width: 130px; height: 130px; border: 1px solid rgba(255,255,255,.16); border-radius: 50%; right: 32px; top: -76px; }
.feature-strip span { display: block; font-size: 11px; opacity: .75; }
.feature-strip strong { display: block; font-size: 14px; font-weight: 500; color: #fff; }
.feature-strip-action { white-space: nowrap; display: flex !important; align-items: center; gap: 3px; opacity: 1 !important; color: #8bd326; font-size: 10px !important; }

.home-products { margin-top: 25px; }
.compact-row { margin-bottom: 12px; }
.material-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }
.material-card { background: #fff; border-radius: 10px; overflow: hidden; min-width: 0; transition: transform .18s ease, box-shadow .18s ease; }
.material-card:active { transform: scale(.99); }
.card-cover { display: block; background: #e8edf1; overflow: hidden; }
.card-cover img { width: 100%; aspect-ratio: 16 / 10; object-fit: cover; }
.card-body { padding: 11px 12px 10px; }
.card-body h3 {
    margin: 0;
    font-size: 14px;
    line-height: 1.45;
    font-weight: 500;
    color: #33363a;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    min-height: 40px;
}
.model-no { display: inline-block; margin: 4px 0 0; color: var(--primary-strong); font-size: 10px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 100%; }
.card-summary { margin: 4px 0 8px; color: #9ba3aa; font-size: 10px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.card-footer { border-top: 1px solid #f1f3f5; padding-top: 7px; display: flex; justify-content: space-between; align-items: center; gap: 6px; color: #a4adb5; font-size: 9px; }
.card-category { color: #75818b; max-width: 64%; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

.page-hero { background: #fff; border-bottom: 3px solid #73bf03; padding: 18px 0; }
.page-hero h1 { margin: 0; color: #193735; font-size: 20px; font-weight: 600; }
.page-hero p { margin: 4px 0 0; color: #969fa7; font-size: 11px; }
.catalog-search { margin-top: 13px; height: 40px; border: 1px solid #e0e5ea; border-radius: 7px; display: grid; grid-template-columns: 1fr auto; overflow: hidden; }
.catalog-search input { border: 0; outline: 0; background: #f8f9fa; padding: 0 12px; font-size: 12px; }
.catalog-search button { border: 0; background: #193735; color: #8bd326; padding: 0 15px; font-size: 12px; }
.catalog-section { padding: 14px 0 44px; }
.filter-row { display: flex; gap: 7px; overflow-x: auto; padding-bottom: 10px; scrollbar-width: none; }
.filter-row::-webkit-scrollbar { display: none; }
.filter-chip { flex: 0 0 auto; padding: 5px 12px; border-radius: 999px; background: #fff; color: #69737c; font-size: 11px; border: 1px solid transparent; }
.filter-chip.active { background: #73bf03; color: #193735; }
.catalog-section .material-grid { margin-top: 2px; }
.empty-state { background: #fff; text-align: center; border-radius: 10px; padding: 52px 20px; color: #9aa3ab; }
.empty-state strong { color: #4e565d; font-size: 17px; font-weight: 500; }
.empty-state p { font-size: 12px; }

.catalog-hero { background: #fff; padding: 18px 0 14px; border-bottom: 1px solid #e9eee5; }
.catalog-title { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.catalog-title h1 { margin: 0; color: #193735; font-size: 21px; font-weight: 600; }
.catalog-title span { color: #5c715f; font-size: 11px; }
.category-browser-layout { position: relative; display: grid; grid-template-columns: 30% minmax(0, 1fr); gap: 10px; padding-top: 14px; padding-bottom: 38px; }
.category-rail { align-self: start; overflow: hidden; border-radius: 10px; background: #fff; box-shadow: 0 3px 14px rgba(25,55,53,.04); }
.category-rail-item { min-height: 50px; padding: 11px 12px; display: flex; align-items: center; justify-content: space-between; gap: 4px; border-left: 3px solid transparent; color: #617166; font-size: 13px; }
.category-rail-item + .category-rail-item { border-top: 1px solid #f0f3ed; }
.category-rail-item i { color: #a6b0a4; font-style: normal; font-size: 18px; }
.category-rail-item.active { border-left-color: #73bf03; background: #f3f9eb; color: #193735; font-weight: 600; }
.subcategory-backdrop { position: absolute; z-index: 8; left: calc(30% + 10px); right: 0; top: 14px; bottom: 38px; }
.subcategory-rail { position: absolute; z-index: 9; left: calc(30% + 10px); top: 14px; width: min(205px, 42%); overflow: hidden; border-radius: 10px; background: #fff; box-shadow: 8px 10px 28px rgba(25,55,53,.18); }
.subcategory-close { position: absolute; z-index: 2; right: 5px; top: 4px; width: 28px; height: 28px; display: grid; place-items: center; color: #69806b; font-size: 20px; line-height: 1; }
.subcategory-rail-item { min-height: 50px; display: flex; align-items: center; padding: 11px 32px 11px 12px; border-left: 3px solid transparent; color: #617166; font-size: 13px; font-weight: 500; line-height: 1.35; }
.subcategory-rail-item + .subcategory-rail-item { border-top: 1px solid #f0f3ed; }
.subcategory-rail-item.active { border-left-color: #73bf03; background: #f3f9eb; color: #193735; font-weight: 600; }
.category-results { min-width: 0; }
.category-results-title { display: flex; align-items: center; justify-content: space-between; gap: 8px; min-height: 32px; padding: 0 2px 8px; }
.category-results-title strong { color: #193735; font-size: 14px; font-weight: 600; }
.category-results-title span { color: #879389; font-size: 10px; }
.subcategory-bar { display: flex; align-items: center; gap: 8px; overflow-x: auto; padding: 0 0 12px; scrollbar-width: none; }
.subcategory-bar::-webkit-scrollbar { display: none; }
.subcategory-bar a { flex: 0 0 auto; padding: 5px 12px; border: 1px solid #e0e8db; border-radius: 999px; background: #fff; color: #637267; font-size: 11px; }
.subcategory-bar a.active { border-color: #73bf03; background: #73bf03; color: #193735; font-weight: 600; }
.material-row-list { display: flex; flex-direction: column; gap: 9px; }
.material-row { min-width: 0; display: block; padding: 10px; border-radius: 10px; background: #fff; box-shadow: 0 3px 14px rgba(25,55,53,.045); }
.material-row-cover { overflow: hidden; border-radius: 8px; background: #edf1e9; }
.material-row-cover img { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; transition: transform .25s ease; }
.material-row:hover .material-row-cover img { transform: scale(1.025); }
.material-row-copy { min-width: 0; }
.material-row-copy h2 { margin: 0; color: #193735; font-size: 15px; line-height: 1.45; font-weight: 600; }
.row-model { display: inline-block; margin-top: 3px; color: #527f05; font-size: 10px; }
.material-row-copy p { margin: 4px 0 6px; color: #849086; font-size: 10px; line-height: 1.5; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.row-meta { display: flex; flex-wrap: wrap; gap: 8px; color: #a0aaa1; font-size: 9px; }
.row-meta span + span::before { content: "·"; margin-right: 8px; color: #d1d8ce; }

.button { display: inline-flex; align-items: center; justify-content: center; border: 1px solid transparent; border-radius: 8px; padding: 10px 16px; font-size: 12px; font-weight: 500; }
.button.primary { color: #8bd326; background: #193735; }
.button.ghost { color: #66717a; background: #fff; border-color: #dfe5ea; }
.button.light { color: #527f05; background: #fff; }
.button.full { width: 100%; margin-top: 8px; }

.detail-hero { background: #fff; padding: 10px 0 18px; }
.breadcrumb { display: flex; align-items: center; gap: 5px; min-width: 0; color: #9aa3ab; font-size: 10px; overflow: hidden; margin-bottom: 12px; }
.breadcrumb a { color: #75808a; white-space: nowrap; }
.breadcrumb span { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.detail-top { display: grid; grid-template-columns: 1fr; gap: 14px; }
.detail-cover { background: #eef2f5; border-radius: 10px; overflow: hidden; }
.detail-cover img { width: 100%; aspect-ratio: 16 / 10; object-fit: cover; }
.pill { display: inline-block; background: #edf8dd; color: #4f8500; font-size: 10px; padding: 3px 8px; border-radius: 4px; }
.detail-summary h1 { margin: 8px 0 5px; color: #193735; font-size: 22px; line-height: 1.35; font-weight: 600; }
.detail-model { margin: 0; color: var(--primary-strong); font-size: 11px; }
.detail-desc { margin: 9px 0 0; color: #7f8992; font-size: 12px; }
.detail-stats { display: flex; flex-wrap: wrap; gap: 15px; margin-top: 12px; color: #a0a8ae; font-size: 10px; }
.detail-stats strong { color: #4b535a; font-size: 13px; font-weight: 500; }
.detail-actions { display: flex; gap: 8px; margin-top: 15px; }
.detail-content { padding: 12px 0 48px; }
.detail-layout { display: grid; grid-template-columns: minmax(0, 1fr) 330px; gap: 12px; align-items: start; }
.content-card, .download-panel { background: #fff; border-radius: 10px; padding: 18px; }
.content-card h2, .download-panel h2 { margin: 0 0 12px; font-size: 17px; font-weight: 600; }
.content-card p { margin: 0; color: #66717a; font-size: 12px; line-height: 1.9; }
.eyebrow { display: none; }
.tag-list { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 15px; }
.tag-list span { color: #7d8790; background: #f4f6f8; border-radius: 4px; padding: 4px 8px; font-size: 10px; }
.download-panel { position: sticky; top: 75px; }
.file-row {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 8px;
    border: 1px solid #edf0f3;
    border-radius: 8px;
    background: #fbfcfd;
    padding: 9px;
    margin-bottom: 8px;
}
.file-open {
    width: 100%;
    min-width: 0;
    display: grid;
    grid-template-columns: 38px minmax(0, 1fr);
    align-items: center;
    gap: 9px;
    border: 0;
    background: transparent;
    padding: 0;
    text-align: left;
    color: inherit;
    font: inherit;
    cursor: pointer;
}
.file-type { width: 38px; height: 42px; border-radius: 5px; display: grid; place-items: center; background: #edf8dd; color: #4f8500; font-size: 9px; font-weight: 700; }
.file-copy { min-width: 0; }
.file-copy strong { display: block; font-size: 11px; font-weight: 500; overflow: hidden; white-space: nowrap; text-overflow: ellipsis; }
.file-copy small { display: flex; flex-wrap: wrap; gap: 4px; color: #a0a8ae; font-size: 9px; }
.file-lock { color: var(--primary-strong); font-size: 9px; }
.file-open:hover .file-copy strong, .file-open:focus-visible .file-copy strong { color: var(--primary-strong); }
.file-open:focus-visible, .file-download:focus-visible { outline: 2px solid rgba(115, 191, 3, .45); outline-offset: 2px; }
.file-download {
    min-width: 54px;
    height: 34px;
    padding: 0 10px;
    border: 1px solid #73bf03;
    border-radius: 6px;
    background: #f1f9e7;
    color: #4f8500;
    font: inherit;
    font-size: 10px;
    font-weight: 600;
    cursor: pointer;
}
.file-download:hover { background: #73bf03; color: #193735; }
.file-empty { color: #9da5ac; font-size: 11px; text-align: center; padding: 22px; border: 1px dashed #e0e5e9; border-radius: 8px; }
.download-note { margin: 10px 0 0; color: #9da5ac; font-size: 9px; }

.site-footer { display: none; }
.bottom-tabs {
    position: fixed;
    z-index: 40;
    left: 0;
    right: 0;
    bottom: 0;
    height: calc(68px + env(safe-area-inset-bottom));
    padding: 5px 20px env(safe-area-inset-bottom);
    background: rgba(255, 255, 255, .98);
    border-top: 1px solid #edf0f2;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    max-width: 720px;
    margin: 0 auto;
    box-shadow: 0 -5px 18px rgba(24, 52, 72, .04);
}
.bottom-tabs a { color: #748078; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 2px; font-size: 14px; font-weight: 500; }
.bottom-tabs a.active { color: #527f05; }
.bottom-tabs a svg { width: 30px; height: 30px; }
.bottom-tabs a.active::before { content: ""; position: absolute; top: 0; width: 24px; height: 2px; border-radius: 2px; background: #73bf03; }
.bottom-tabs a { position: relative; }

.modal { position: fixed; inset: 0; z-index: 100; display: none; place-items: center; padding: 20px; }
.modal.is-open { display: grid; }
.modal-backdrop { position: absolute; inset: 0; background: rgba(13, 27, 39, .54); backdrop-filter: blur(4px); }
.modal-card { position: relative; width: min(360px, 100%); background: #fff; border-radius: 14px; padding: 28px 24px; text-align: center; box-shadow: 0 20px 60px rgba(0,0,0,.22); }
.modal-card h3 { margin: 10px 0 7px; font-size: 19px; font-weight: 600; }
.modal-card p { color: #7d8790; font-size: 12px; }
.modal-card small { display: block; color: #a4acb3; font-size: 10px; margin-top: 12px; }
.modal-icon { width: 46px; height: 46px; border-radius: 11px; display: grid; place-items: center; margin: 0 auto; color: #193735; background: #73bf03; font-size: 20px; font-weight: 800; }
.modal-close { position: absolute; right: 12px; top: 8px; border: 0; background: transparent; color: #9da5ac; font-size: 24px; }
.toast { position: fixed; z-index: 120; left: 50%; bottom: calc(80px + env(safe-area-inset-bottom)); transform: translate(-50%, 10px); background: rgba(24, 29, 34, .9); color: #fff; border-radius: 999px; padding: 8px 15px; font-size: 11px; opacity: 0; pointer-events: none; transition: .22s; }
.toast.show { opacity: 1; transform: translate(-50%, 0); }

.account-page { padding: 18px 0 42px; }
.account-card { background: #fff; border-radius: 12px; padding: 22px; text-align: center; }
.account-avatar { width: 64px; height: 64px; border-radius: 50%; background: #edf8dd; color: #527f05; display: grid; place-items: center; margin: 0 auto 10px; }
.account-card h1 { font-size: 20px; margin: 0 0 4px; font-weight: 600; color: #193735; }
.account-card p { color: #8d969e; font-size: 12px; margin: 0 0 16px; }
.account-section { background: #fff; border-radius: 12px; margin-top: 12px; overflow: hidden; }
.account-section h2 { margin: 0; padding: 14px 16px; font-size: 15px; font-weight: 600; border-bottom: 1px solid #f2f3f5; }
.account-row { display: flex; justify-content: space-between; gap: 10px; padding: 13px 16px; border-bottom: 1px solid #f4f5f6; color: #68727b; font-size: 12px; }
.account-row:last-child { border-bottom: 0; }
.account-row strong { color: #33373b; font-weight: 500; }
.account-logout-row { display: flex; align-items: center; justify-content: space-between; gap: 14px; padding: 15px 16px; }
.account-logout-row div { min-width: 0; }
.account-logout-row strong { display: block; color: #33373b; font-size: 13px; font-weight: 500; }
.account-logout-row span { display: block; color: #9aa3ab; font-size: 10px; margin-top: 2px; }
.logout-button { flex: 0 0 auto; border: 1px solid #ffd7d3; border-radius: 7px; background: #fff6f5; color: #e75a4b; padding: 7px 11px; font-size: 11px; }
.account-profile-row { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 14px 16px; }
.account-profile-row div { min-width: 0; }
.account-profile-row span { display: block; color: #68727b; font-size: 11px; }
.account-profile-row strong { display: block; margin-top: 4px; color: #193735; font-size: 16px; font-weight: 600; }
.account-profile-row small { display: block; margin-top: 3px; color: #6c9b28; font-size: 9px; }
.account-action-button { flex: 0 0 auto; border: 1px solid #73bf03; border-radius: 7px; background: #f1f9e7; color: #4f8500; padding: 8px 12px; font: inherit; font-size: 11px; font-weight: 600; cursor: pointer; }
.account-action-button:hover { background: #73bf03; color: #193735; }
.account-privacy-note { margin: 0; padding: 0 16px 14px; color: #9aa3ab; font-size: 9px; line-height: 1.7; }

@media (min-width: 700px) {
    .home-page { padding-top: 22px; }
    .banner-track { min-height: 260px; }
    .material-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}
@media (max-width: 699px) {
    .container { width: calc(100% - 24px); }
    .header-inner { height: 54px; }
    .brand-mark { width: 31px; height: 31px; border-radius: 7px; }
    .brand-logo { max-width: 47vw; height: 32px; }
    .brand strong { font-size: 14px; max-width: 185px; }
    .brand small { display: none; }
    .header-icon { width: 31px; height: 31px; }
    .auth-entry { height: 31px; }
    .home-page { padding-top: 10px; }
    .banner-track { aspect-ratio: 1.82 / 1; min-height: 0; }
    .banner-copy { width: 70%; padding: 17px 16px 23px; }
    .banner-copy h2 { font-size: 18px; margin-top: 7px; }
    .banner-copy p { font-size: 10px; -webkit-line-clamp: 2; }
    .banner-kicker { font-size: 8px; padding: 3px 6px; }
    .banner-link { font-size: 9px; margin-top: 7px; }
    .quick-grid { gap: 8px; }
    .quick-item { min-height: 98px; padding: 10px 4px 8px; }
    .quick-icon { width: 41px; height: 41px; border-radius: 12px; }
    .quick-item strong { font-size: 12px; }
    .quick-item small { font-size: 8px; max-width: 95px; }
    .feature-strip { padding: 11px 12px; }
    .feature-strip strong { font-size: 11px; }
    .feature-strip span { font-size: 9px; }
    .feature-strip-action { display: none !important; }
    .material-grid.mobile-two-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; }
    .material-grid.mobile-two-grid .card-body { padding: 9px 9px 8px; }
    .material-grid.mobile-two-grid .card-body h3 { font-size: 12px; min-height: 35px; }
    .section-title-row h1, .section-title-row h2 { font-size: 18px; }
    .catalog-section .material-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; }
    .catalog-section .card-body { padding: 9px; }
    .catalog-section .card-body h3 { font-size: 12px; min-height: 35px; }
    .catalog-section .card-summary { display: none; }
    .category-browser-layout { grid-template-columns: 30% minmax(0, 1fr); gap: 6px; }
    .subcategory-backdrop { left: calc(30% + 6px); }
    .subcategory-rail { left: calc(30% + 6px); width: min(156px, 43%); }
    .category-rail-item { min-height: 50px; padding: 11px 8px; font-size: 13px; line-height: 1.35; }
    .category-rail-item i { font-size: 15px; }
    .subcategory-rail-item { min-height: 48px; padding: 10px 28px 10px 9px; font-size: 13px; }
    .category-results-title strong { font-size: 12px; }
    .material-row { padding: 7px; }
    .material-row-cover img { aspect-ratio: 4 / 3; }
    .material-row-copy h2 { font-size: 13px; }
    .material-row-copy p { -webkit-line-clamp: 1; margin: 3px 0 4px; }
    .row-meta span:nth-child(3) { display: none; }
    .detail-summary h1 { font-size: 20px; }
    .detail-layout { grid-template-columns: 1fr; }
    .download-panel { position: static; }
    .content-card, .download-panel { padding: 15px; }
}
@media (min-width: 900px) {
    .detail-top { grid-template-columns: minmax(320px, .85fr) minmax(0, 1.15fr); align-items: center; }
    .detail-summary h1 { font-size: 30px; }
}