/* =========================================================
   黑土臻选 · 东北特产企业网站
   字体：仅使用系统字体（无商用风险）
   图标/图片：本站原创 SVG（可商用）
   ========================================================= */

:root {
  --green-950: #142e18;
  --green-800: #1f4d26;
  --green-700: #286033;
  --green-600: #2e6b35;
  --green-500: #3f8a49;
  --green-100: #e4efe1;
  --amber: #e9a13b;
  --amber-dark: #c9851e;
  --cream: #f7f1e4;
  --paper: #fffdf8;
  --ink: #22281f;
  --muted: #66705f;
  --line: #e6ddc9;
  --red: #a33b2e;
  --shadow-sm: 0 2px 10px rgba(31, 55, 26, 0.07);
  --shadow-md: 0 12px 30px rgba(31, 55, 26, 0.12);
  --shadow-lg: 0 24px 60px rgba(22, 40, 18, 0.18);
  --radius: 18px;
  --radius-lg: 26px;
  --header-h: 72px;
  --font: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans CJK SC", system-ui, -apple-system, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 24px); }
body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background: var(--paper);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, h4, p, ul { margin: 0; }
ul { padding: 0; list-style: none; }
button { font-family: inherit; cursor: pointer; }
input, textarea { font-family: inherit; }
.container { width: min(1200px, 100% - 40px); margin-inline: auto; }
.ico { width: 16px; height: 16px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; flex: none; }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 12px 26px; border-radius: 999px; border: 1px solid transparent;
  font-size: 15px; font-weight: 600; line-height: 1.2; transition: all .22s ease;
  white-space: nowrap;
}
.btn-primary { background: var(--green-600); color: #fff; box-shadow: 0 8px 18px rgba(46,107,53,.28); }
.btn-primary:hover { background: var(--green-800); transform: translateY(-2px); box-shadow: 0 12px 24px rgba(46,107,53,.34); }
.btn-ghost { background: transparent; color: var(--green-800); border-color: var(--green-700); }
.btn-ghost:hover { background: var(--green-100); transform: translateY(-2px); }
.btn-sm { padding: 9px 18px; font-size: 14px; }
.btn-block { width: 100%; }

/* ---------- 顶部信息条 ---------- */
.topbar { background: var(--green-950); color: #dcead6; font-size: 13px; }
.topbar-inner { display: flex; justify-content: space-between; align-items: center; min-height: 36px; gap: 16px; }
.topbar .ico { width: 13px; height: 13px; opacity: .8; }
.topbar-left, .topbar-right { display: flex; align-items: center; gap: 8px; }
.topbar-right { gap: 18px; }
.topbar a { color: #f3d9a6; }
.topbar a:hover { text-decoration: underline; }

/* ---------- 头部导航 ---------- */
.header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255, 253, 248, .92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
  transition: box-shadow .25s ease;
}
.header.scrolled { box-shadow: 0 6px 22px rgba(31,55,26,.08); }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: var(--header-h); gap: 20px; }
.brand { display: flex; align-items: center; gap: 12px; }
.brand-logo { border-radius: 50%; box-shadow: var(--shadow-sm); }
.brand-text { display: flex; flex-direction: column; line-height: 1.25; }
.brand-text strong { font-size: 20px; color: var(--green-800); letter-spacing: 1px; }
.brand-text small { font-size: 12px; color: var(--muted); letter-spacing: 2px; }
.nav { display: flex; gap: 6px; }
.nav-link {
  position: relative; padding: 8px 16px; border-radius: 10px;
  color: #3c443b; font-weight: 600; font-size: 15px; transition: all .2s ease;
}
.nav-link:hover { color: var(--green-700); background: var(--green-100); }
.nav-link.active { color: var(--green-700); }
.nav-link.active::after {
  content: ""; position: absolute; left: 16px; right: 16px; bottom: 2px;
  height: 3px; border-radius: 3px; background: var(--amber);
}
.header-actions { display: flex; align-items: center; gap: 12px; }
.nav-toggle { display: none; flex-direction: column; gap: 5px; padding: 9px; background: none; border: 0; }
.nav-toggle span { width: 22px; height: 2px; border-radius: 2px; background: var(--green-800); transition: .25s; }
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- 主视觉 Hero ---------- */
.hero {
  position: relative; overflow: hidden;
  background:
    radial-gradient(900px 500px at 12% -10%, #f4ead1 0%, transparent 60%),
    linear-gradient(180deg, #faf4e6 0%, #f6eeda 100%);
  padding: 74px 0 96px;
}
.hero::before, .hero::after {
  content: ""; position: absolute; border-radius: 50%; pointer-events: none;
}
.hero::before { width: 420px; height: 420px; right: -120px; top: -120px; background: radial-gradient(circle, rgba(233,161,59,.16), transparent 65%); }
.hero::after { width: 520px; height: 520px; left: -180px; bottom: -220px; background: radial-gradient(circle, rgba(63,138,73,.12), transparent 65%); }
.hero-inner { position: relative; display: grid; grid-template-columns: 1.05fr .95fr; gap: 48px; align-items: center; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 7px 16px; border-radius: 999px; border: 1px solid #e3cf9f;
  background: #fffaf0; color: var(--amber-dark); font-size: 14px; font-weight: 600;
}
.hero-badge .ico { color: var(--green-600); }
.hero-copy h1 {
  margin: 20px 0 16px;
  font-size: clamp(32px, 4.4vw, 54px);
  line-height: 1.22; letter-spacing: 1px; color: var(--green-950);
}
.hero-copy h1 .accent { color: var(--green-600); position: relative; }
.hero-copy h1 .accent::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 4px; height: 12px;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='300' height='12' viewBox='0 0 300 12'%3E%3Cpath d='M2 8 Q 40 2 80 7 T 160 6 T 240 8 T 298 5' fill='none' stroke='%23e9a13b' stroke-width='5' stroke-linecap='round'/%3E%3C/svg%3E") repeat-x bottom;
  background-size: 150px 12px;
  opacity: .8; z-index: -1;
}
.hero-lead { max-width: 560px; color: var(--muted); font-size: 16px; }
.hero-cta { display: flex; gap: 14px; margin: 26px 0 30px; flex-wrap: wrap; }
.hero-points { display: flex; gap: 26px; flex-wrap: wrap; color: var(--green-800); font-weight: 600; font-size: 14px; }
.hero-points li { display: flex; align-items: center; gap: 7px; }
.hero-points .ico { color: var(--amber); width: 18px; height: 18px; }

.hero-visual { position: relative; min-height: 460px; }
.hero-ring { position: absolute; border-radius: 50%; border: 1.5px dashed rgba(46,107,53,.35); }
.hero-ring-1 { width: 400px; height: 400px; left: 50%; top: 50%; transform: translate(-50%, -50%); }
.hero-ring-2 { width: 470px; height: 470px; left: 50%; top: 50%; transform: translate(-50%, -50%); }
.hero-card {
  position: absolute; margin: 0; border-radius: 50%; overflow: hidden;
  box-shadow: var(--shadow-md); border: 6px solid #fff;
}
.hero-card img { width: 100%; height: 100%; object-fit: cover; }
.hero-card figcaption {
  position: absolute; left: 50%; bottom: 18px; transform: translateX(-50%);
  background: rgba(20,46,24,.82); color: #fff; font-size: 13px; font-weight: 600;
  padding: 4px 14px; border-radius: 999px; letter-spacing: 2px; white-space: nowrap;
}
.hero-card-main { width: 300px; height: 300px; left: 50%; top: 50%; transform: translate(-50%, -52%); z-index: 2; }
.hero-card-sub { width: 168px; height: 168px; }
.hero-card-sub1 { left: 6%; top: 4%; z-index: 3; }
.hero-card-sub2 { right: 4%; bottom: 4%; z-index: 3; }
.hero-badge-float {
  position: absolute; right: 2%; top: 6%; z-index: 4; text-align: center;
  background: var(--amber); color: #fff; border-radius: 18px; padding: 12px 16px;
  box-shadow: var(--shadow-md); transform: rotate(4deg);
}
.hero-badge-float strong { display: block; font-size: 24px; line-height: 1.1; }
.hero-badge-float span { font-size: 11px; letter-spacing: 1px; opacity: .95; }

/* ---------- 服务优势 ---------- */
.features { background: #fff; border-block: 1px solid var(--line); }
.features-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px;
  padding: 34px 0;
}
.feature { display: flex; gap: 14px; align-items: flex-start; }
.feature-ico {
  width: 52px; height: 52px; flex: none; border-radius: 14px;
  display: grid; place-items: center;
  background: color-mix(in srgb, var(--fc) 12%, #fff); color: var(--fc);
}
.feature-ico svg { width: 26px; height: 26px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.feature h3 { font-size: 16px; color: var(--green-950); margin-bottom: 4px; }
.feature p { font-size: 13px; color: var(--muted); line-height: 1.55; }

/* ---------- 区块通用 ---------- */
.section { padding: 84px 0; }
.section-head { text-align: center; max-width: 680px; margin: 0 auto 44px; }
.section-eyebrow {
  display: inline-block; color: var(--amber-dark); font-size: 12px; font-weight: 700;
  letter-spacing: 4px; margin-bottom: 12px;
}
.section-head h2 { font-size: clamp(26px, 3vw, 36px); color: var(--green-950); letter-spacing: 1px; margin-bottom: 10px; }
.section-head p { color: var(--muted); font-size: 15px; }

/* ---------- 分类筛选 ---------- */
.chip-bar { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; margin-bottom: 34px; }
.chip {
  padding: 8px 20px; border-radius: 999px; border: 1px solid var(--line);
  background: #fff; color: #4b554a; font-size: 14px; font-weight: 600;
  transition: all .2s ease;
}
.chip:hover { border-color: var(--green-500); color: var(--green-700); }
.chip.active { background: var(--green-600); border-color: var(--green-600); color: #fff; box-shadow: 0 6px 14px rgba(46,107,53,.25); }

/* ---------- 产品网格 ---------- */
.product-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(262px, 1fr)); gap: 26px;
}
.product-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg);
  overflow: hidden; box-shadow: var(--shadow-sm);
  transition: transform .25s ease, box-shadow .25s ease;
  display: flex; flex-direction: column;
}
.product-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
.card-media { position: relative; aspect-ratio: 1/1; background: #f6efe0; overflow: hidden; }
.card-media img { width: 100%; height: 100%; object-fit: contain; transition: transform .4s ease; }
.product-card:hover .card-media img { transform: scale(1.05); }
.card-cat {
  position: absolute; left: 14px; top: 14px; z-index: 2;
  background: rgba(31,77,38,.88); color: #fff; font-size: 12px; font-weight: 600;
  padding: 4px 12px; border-radius: 999px; letter-spacing: 1px;
}
.card-body { padding: 18px 20px 22px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.card-title { font-size: 19px; color: var(--green-950); }
.card-sub { font-size: 13px; color: var(--muted); }
.card-meta { display: flex; align-items: center; gap: 6px; font-size: 13px; color: #7a8373; }
.card-meta svg { width: 15px; height: 15px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.card-foot {
  margin-top: auto; display: flex; align-items: center; justify-content: space-between; gap: 10px;
  padding-top: 12px; border-top: 1px dashed var(--line);
}
.card-price { color: var(--red); font-weight: 800; font-size: 17px; }
.card-price small { font-weight: 500; color: var(--muted); font-size: 12px; }
.card-more { color: var(--green-700); font-size: 14px; font-weight: 600; display: inline-flex; align-items: center; gap: 4px; }
.card-more:hover { color: var(--amber-dark); }
.card-more svg { width: 15px; height: 15px; fill: none; stroke: currentColor; stroke-width: 2.4; stroke-linecap: round; stroke-linejoin: round; transition: transform .2s; }
.product-card:hover .card-more svg { transform: translateX(4px); }
.loading { grid-column: 1 / -1; text-align: center; color: var(--muted); padding: 60px 0; }
.empty-tip { text-align: center; color: var(--muted); padding: 30px 0; }

/* ---------- 关于我们 ---------- */
.about { background: linear-gradient(180deg, #f7f1e4 0%, #f3ead6 100%); }
.about-inner { display: grid; grid-template-columns: 1fr 1.05fr; gap: 60px; align-items: center; }
.about-media { position: relative; }
.about-collage { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.about-collage img {
  width: 100%; aspect-ratio: 1/1; object-fit: cover; border-radius: 20px;
  box-shadow: var(--shadow-sm); border: 4px solid #fff;
}
.about-collage img:nth-child(1) { border-radius: 40px 20px 20px 20px; }
.about-collage img:nth-child(4) { border-radius: 20px 20px 40px 20px; }
.about-badge {
  position: absolute; left: -26px; bottom: 22px; z-index: 2;
  background: var(--green-600); color: #fff; border-radius: 18px; padding: 14px 22px;
  box-shadow: var(--shadow-md); display: flex; flex-direction: column; line-height: 1.4;
  transform: rotate(-3deg);
}
.about-badge strong { font-size: 20px; letter-spacing: 1px; }
.about-badge span { font-size: 13px; opacity: .92; }
.about-copy h2 { font-size: clamp(26px, 3vw, 34px); color: var(--green-950); margin-bottom: 18px; letter-spacing: 1px; }
.about-copy > p { color: #4c5749; font-size: 15.5px; }
.about-list { margin: 22px 0 30px; display: grid; gap: 12px; }
.about-list li { display: flex; align-items: flex-start; gap: 10px; font-weight: 600; color: var(--green-950); font-size: 15px; }
.about-list svg { width: 22px; height: 22px; flex: none; fill: none; stroke: var(--green-500); stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.about-list svg circle { fill: var(--green-100); }
.about-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.stat { background: #fff; border-radius: 16px; padding: 16px 10px; text-align: center; box-shadow: var(--shadow-sm); }
.stat strong { display: block; font-size: 24px; color: var(--green-700); line-height: 1.2; }
.stat strong sup { font-size: 12px; }
.stat span { font-size: 12px; color: var(--muted); }

/* ---------- 联系我们 ---------- */
.contact { background: #fff; }
.contact-grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: 34px; align-items: stretch; }
.contact-info { display: grid; gap: 16px; align-content: start; }
.info-card {
  display: flex; gap: 16px; align-items: flex-start;
  background: #faf6ec; border: 1px solid var(--line); border-radius: 18px;
  padding: 18px 20px;
}
.info-ico {
  width: 46px; height: 46px; flex: none; border-radius: 13px; display: grid; place-items: center;
  background: var(--green-100); color: var(--green-700);
}
.info-ico svg { width: 22px; height: 22px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.info-card h3 { font-size: 15px; color: var(--green-950); margin-bottom: 2px; }
.info-card p { font-size: 14px; color: #4c5749; }
.info-card a { color: var(--green-700); font-weight: 600; }
.message-card {
  background: linear-gradient(180deg, #faf6ec, #f4ecda);
  border: 1px solid var(--line); border-radius: var(--radius-lg);
  padding: 30px 32px; box-shadow: var(--shadow-sm);
}
.message-card h3 { font-size: 22px; color: var(--green-950); }
.message-tip { color: var(--muted); font-size: 13px; margin: 4px 0 20px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.form-field { margin-bottom: 14px; position: relative; }
.form-field label { display: block; font-size: 14px; font-weight: 600; color: #35402f; margin-bottom: 6px; }
.form-field label em { color: var(--red); font-style: normal; }
.form-field input, .form-field textarea {
  width: 100%; padding: 11px 14px; border: 1.5px solid #ded3b8; border-radius: 12px;
  background: #fff; color: var(--ink); font-size: 14px; outline: none; transition: border .2s, box-shadow .2s;
  resize: vertical;
}
.form-field input:focus, .form-field textarea:focus { border-color: var(--green-500); box-shadow: 0 0 0 3px rgba(63,138,73,.15); }
.form-field .counter { position: absolute; right: 10px; bottom: 9px; font-size: 11px; color: #a7ad9f; pointer-events: none; }
.form-field textarea { min-height: 120px; }
.hp-field { position: absolute; left: -9999px; opacity: 0; height: 0; width: 0; }
.form-error {
  background: #fbeae6; border: 1px solid #eec4ba; color: var(--red);
  border-radius: 10px; padding: 9px 14px; font-size: 13px; margin-bottom: 12px;
}
.form-note { margin-top: 12px; font-size: 12px; color: #949b8d; text-align: center; }

/* ---------- 页脚 ---------- */
.footer { background: var(--green-950); color: #cfe0c9; }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.4fr; gap: 36px; padding: 56px 0 40px; }
.footer .brand-text strong { color: #fff; }
.footer .brand-text small { color: #9dc39b; }
.footer-brand-row { margin-bottom: 14px; }
.footer-brand p { font-size: 13.5px; color: #a9c3a4; line-height: 1.7; }
.footer h4 { color: #fff; font-size: 15px; margin-bottom: 14px; letter-spacing: 1px; }
.footer-col { display: flex; flex-direction: column; gap: 9px; }
.footer-col a { font-size: 13.5px; color: #a9c3a4; transition: color .2s, padding-left .2s; }
.footer-col a:hover { color: var(--amber); padding-left: 4px; }
.footer-col p { font-size: 13.5px; color: #a9c3a4; line-height: 1.7; }
.footer-col a { color: #a9c3a4; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.12); }
.footer-bottom-inner {
  display: flex; justify-content: space-between; align-items: center; gap: 12px;
  flex-wrap: wrap; padding: 18px 0; font-size: 12.5px; color: #8fae8a;
}

/* ---------- 弹窗 ---------- */
.modal[hidden] { display: none; }
.modal { position: fixed; inset: 0; z-index: 100; display: grid; place-items: center; padding: 20px; }
.modal-backdrop { position: absolute; inset: 0; background: rgba(15,30,14,.6); backdrop-filter: blur(3px); }
.modal-panel {
  position: relative; width: min(880px, 100%); max-height: 92vh; overflow: auto;
  background: #fff; border-radius: var(--radius-lg); box-shadow: var(--shadow-lg);
  animation: pop .28s ease;
}
@keyframes pop { from { transform: scale(.95); opacity: 0; } to { transform: scale(1); opacity: 1; } }
.modal-close {
  position: absolute; right: 14px; top: 12px; z-index: 5;
  width: 38px; height: 38px; border-radius: 50%; border: 0;
  background: rgba(255,255,255,.92); color: var(--green-950);
  font-size: 24px; line-height: 1; box-shadow: var(--shadow-sm);
}
.modal-close:hover { background: var(--red); color: #fff; }
.modal-body { display: grid; grid-template-columns: 1fr 1fr; }
.modal-media { background: #f6efe0; display: grid; place-items: center; min-height: 380px; }
.modal-media img { width: 100%; height: 100%; max-height: 520px; object-fit: contain; }
.modal-info { padding: 34px 30px; }
.modal-tags { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 14px; }
.tag { font-size: 12px; font-weight: 600; padding: 4px 12px; border-radius: 999px; }
.tag-cat { background: var(--green-100); color: var(--green-700); }
.tag-origin { background: #fdf1dc; color: var(--amber-dark); }
.modal-info h3 { font-size: 26px; color: var(--green-950); }
.modal-sub { color: var(--muted); font-size: 14px; margin: 6px 0 12px; }
.modal-price { color: var(--red); font-size: 22px; font-weight: 800; margin-bottom: 14px; }
.modal-desc { color: #4c5749; font-size: 14.5px; white-space: pre-line; }
.modal-actions { display: flex; gap: 12px; margin-top: 24px; flex-wrap: wrap; }

/* ---------- 回到顶部 / Toast ---------- */
.to-top {
  position: fixed; right: 22px; bottom: 22px; z-index: 60;
  width: 46px; height: 46px; border-radius: 50%; border: 0;
  background: var(--green-600); color: #fff; box-shadow: var(--shadow-md);
  display: grid; place-items: center; opacity: 0; pointer-events: none;
  transition: opacity .25s, transform .25s;
}
.to-top.show { opacity: 1; pointer-events: auto; }
.to-top:hover { transform: translateY(-3px); background: var(--green-800); }
.to-top svg { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 2.4; stroke-linecap: round; stroke-linejoin: round; }
.toast-wrap { position: fixed; top: 18px; left: 50%; transform: translateX(-50%); z-index: 200; display: grid; gap: 10px; width: min(92vw, 420px); }
.toast {
  display: flex; align-items: center; gap: 10px;
  padding: 12px 18px; border-radius: 12px; font-size: 14px; font-weight: 600;
  color: #fff; box-shadow: var(--shadow-md); animation: toastIn .25s ease;
}
.toast.ok { background: var(--green-600); }
.toast.err { background: var(--red); }
@keyframes toastIn { from { transform: translateY(-16px); opacity: 0; } to { transform: none; opacity: 1; } }

/* ---------- 入场动画 ---------- */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity .6s ease, transform .6s ease; }
.reveal.in { opacity: 1; transform: none; }

/* ---------- 响应式 ---------- */
@media (max-width: 1080px) {
  .hero-inner { grid-template-columns: 1fr; }
  .hero-visual { min-height: 430px; margin-top: 10px; }
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .about-inner { grid-template-columns: 1fr; gap: 46px; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 860px) {
  :root { --header-h: 64px; }
  .topbar-right span:last-child, .topbar-left { display: none; }
  .topbar-inner { justify-content: flex-end; }
  .nav {
    position: fixed; inset: var(--header-h) 0 auto 0; z-index: 40;
    background: #fff; flex-direction: column; padding: 12px 20px 20px;
    box-shadow: var(--shadow-md); gap: 4px;
    transform: translateY(-130%); transition: transform .3s ease;
    border-radius: 0 0 18px 18px;
  }
  .nav.open { transform: translateY(0); }
  .nav-toggle { display: flex; }
  .header-actions .btn-sm { display: none; }
}
@media (max-width: 640px) {
  .hero { padding: 44px 0 64px; }
  .hero-card-main { width: 230px; height: 230px; }
  .hero-card-sub { width: 120px; height: 120px; }
  .hero-badge-float { padding: 8px 12px; }
  .hero-badge-float strong { font-size: 18px; }
  .section { padding: 60px 0; }
  .form-row { grid-template-columns: 1fr; }
  .modal-body { grid-template-columns: 1fr; }
  .modal-media { min-height: 240px; }
  .about-badge { left: 8px; }
  .footer-grid { grid-template-columns: 1fr; gap: 26px; }
  .about-stats { grid-template-columns: repeat(2, 1fr); }
  .features-grid { grid-template-columns: 1fr; }
  .product-grid { grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 16px; }
  .card-body { padding: 14px 14px 16px; }
  .card-price { font-size: 15px; }
}