:root {
  --ink: #171717;
  --muted: #68645e;
  --line: #ded8cd;
  --paper: #fff;
  --background: #f7f6f3;
  --blue: #155895;
  --red: #a32928;
  --gold: #80631d;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--background);
  color: var(--ink);
  font-family: Arial, Helvetica, sans-serif;
}

a { text-decoration: none; }

.haowu-header {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  border-bottom: 2px solid var(--ink);
  padding: 18px 0 14px;
}

.haowu-primary-nav {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px;
}

.haowu-primary-nav a {
  display: flex;
  min-width: 0;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  border: 1px solid #d4d9df;
  background: #fff;
  color: #213042;
  padding: 8px 6px;
  font-size: 16px;
  font-weight: 900;
  text-align: center;
}

.haowu-primary-nav a.is-active {
  border-color: var(--blue);
  background: var(--blue);
  color: #fff;
}

.haowu-main {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: 24px 0 50px;
}

.haowu-hero {
  border: 1px solid var(--line);
  background: var(--paper);
  padding: 22px;
}

.haowu-kicker {
  margin: 0 0 8px;
  color: var(--red);
  font-size: 12px;
  font-weight: 900;
}

.haowu-hero h1 {
  margin: 0;
  font-size: clamp(30px, 4vw, 46px);
  line-height: 1.08;
}

.haowu-intro,
.haowu-disclosure {
  max-width: 850px;
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.7;
}

.haowu-search {
  margin-top: 20px;
  border: 1px solid var(--line);
  background: var(--paper);
  padding: 20px;
}

.haowu-search label {
  display: block;
  margin-bottom: 10px;
  font-size: 20px;
  font-weight: 900;
}

.haowu-search-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto auto;
  gap: 8px;
  margin: 0;
}

.haowu-search input {
  width: 100%;
  min-width: 0;
  min-height: 56px;
  border: 2px solid var(--ink);
  border-radius: 4px;
  background: #fff;
  color: var(--ink);
  padding: 10px 15px;
  font: inherit;
  font-size: 19px;
}

.haowu-search button {
  min-height: 56px;
  border: 2px solid var(--ink);
  border-radius: 4px;
  padding: 0 22px;
  font-size: 18px;
  font-weight: 900;
  cursor: pointer;
}

.haowu-search-submit {
  min-width: 108px;
  background: var(--ink);
  color: #fff;
}

.haowu-search-clear {
  border-color: var(--blue) !important;
  background: #fff;
  color: var(--blue);
}

.haowu-search-status {
  margin: 11px 0 0;
  color: var(--muted);
  font-size: 15px;
  font-weight: 700;
}

.haowu-disclosure {
  border-left: 4px solid #f0b323;
  background: #fff8df;
  padding: 10px 12px;
  color: #5f5125;
  font-size: 14px;
  font-weight: 800;
}

.haowu-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin-top: 20px;
}

.haowu-card {
  display: grid;
  grid-template-rows: 220px 1fr;
  min-width: 0;
  border: 1px solid var(--line);
  background: var(--paper);
}

.haowu-card-media {
  display: grid;
  place-items: center;
  border-bottom: 1px solid var(--line);
  background: #fff;
  padding: 12px;
  overflow: hidden;
}

.haowu-card-media img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.haowu-card-body {
  display: grid;
  min-width: 0;
  align-content: start;
  gap: 10px;
  padding: 16px;
}

.haowu-card-tag {
  display: inline-flex;
  width: fit-content;
  min-height: 24px;
  align-items: center;
  background: #f5f1e8;
  color: var(--gold);
  padding: 0 9px;
  font-size: 12px;
  font-weight: 900;
}

.haowu-card h2 {
  margin: 0;
  font-size: 22px;
  line-height: 1.2;
  overflow-wrap: anywhere;
}

.haowu-card-en {
  margin: 0;
  color: var(--blue);
  font-size: 13px;
  font-weight: 900;
  line-height: 1.4;
  overflow-wrap: anywhere;
}

.haowu-card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.haowu-card-tags span {
  border: 1px solid #d8e1ea;
  border-radius: 999px;
  background: #f5f8fb;
  color: #3e556c;
  padding: 4px 8px;
  font-size: 12px;
  line-height: 1.2;
}

.haowu-empty {
  margin: 18px 0 0;
  border: 1px dashed var(--line);
  background: #fff;
  padding: 24px 16px;
  color: var(--muted);
  text-align: center;
}

.haowu-card-details {
  display: grid;
  gap: 10px;
  margin: 0;
}

.haowu-card-details div {
  display: grid;
  gap: 3px;
  border-top: 1px solid #ebe5d9;
  padding-top: 9px;
}

.haowu-card-details dt { font-size: 13px; font-weight: 900; }
.haowu-card-details dd { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.65; overflow-wrap: anywhere; }

.haowu-amazon-button,
.haowu-home-link a {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  padding: 0 16px;
  font-size: 15px;
  font-weight: 900;
}

.haowu-amazon-button {
  border: 1px solid #d99a00;
  background: #ffd814;
  color: #171512;
}

.haowu-home-link { display: flex; justify-content: center; margin-top: 26px; }
.haowu-home-link a { background: var(--blue); color: #fff; }
.haowu-footer { border-top: 1px solid var(--line); padding: 24px 16px; color: var(--muted); text-align: center; }

@media (max-width: 960px) {
  .haowu-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 620px) {
  .haowu-header,
  .haowu-main { width: min(100% - 18px, 520px); }
  .haowu-primary-nav { gap: 5px; }
  .haowu-primary-nav a { min-height: 44px; padding: 6px 2px; font-size: 14px; }
  .haowu-hero { padding: 16px; }
  .haowu-grid { grid-template-columns: 1fr; gap: 14px; }
  .haowu-card { grid-template-rows: 180px 1fr; }
  .haowu-card-body { padding: 14px; }
  .haowu-card h2 { font-size: 21px; }
  .haowu-search { padding: 16px; }
  .haowu-search label { font-size: 19px; }
  .haowu-search-row { grid-template-columns: 1fr; }
  .haowu-search-submit { width: 100%; }
  .haowu-search-clear {
    width: auto;
    min-height: 40px !important;
    justify-self: start;
    border-width: 1px !important;
    padding: 0 14px !important;
    font-size: 15px !important;
  }
  .haowu-amazon-button,
  .haowu-home-link a { width: 100%; }
}