/* HuoPan: the supplied desktop design, adapted for every screen. */
:root {
  --brand: #ff4800;
  --action: #d63b00;
  --action-hover: #b93200;
  --ink: #303030;
  --muted: #696969;
  --surface: #fff;
  --soft: #f5f5f7;
  --line: #e6e6e6;
  --warm: #fff3ed;
  --blue: #3264d8;
  --blue-soft: #f3f6ff;
  --footer: #ededed;
  --error: #b52222;
  --focus: #145cc7;
  --radius: 8px;
  --motion: 180ms ease;
  --header-height: clamp(76px, 5.25vw, 101px);
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-height) + 24px); }
body { margin: 0; color: var(--ink); background: var(--surface); font-family: Arial, "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif; font-size: 16px; line-height: 1.6; -webkit-font-smoothing: antialiased; }
img { display: block; max-width: 100%; height: auto; }
svg { display: block; }
a { color: inherit; text-decoration: none; }
button, input, select { font: inherit; }
button, a, input, select, summary { -webkit-tap-highlight-color: transparent; touch-action: manipulation; }
button, summary { cursor: pointer; }
button { color: inherit; }
button, input, select { border-radius: var(--radius); }
button { border: 0; }
button:disabled { opacity: .55; cursor: wait; }
button, a, input, select, summary { transition: color var(--motion), background-color var(--motion), border-color var(--motion), box-shadow var(--motion); }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 4px; }
::selection { background: #ffd6c4; color: #7c2400; }
[hidden] { display: none !important; }
h1, h2, h3, p, ul, ol, figure { margin: 0; }
h1, h2, h3 { line-height: 1.35; font-weight: 650; }
p { color: var(--muted); }
ul, ol { padding: 0; list-style: none; }
.container { width: 75%; max-width: 1440px; margin-inline: auto; }
.icon { width: 24px; height: 24px; flex-shrink: 0; }
.sr-only, .skip-link:not(:focus) { position: absolute; width: 1px; height: 1px; padding: 0; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
.skip-link:focus { position: fixed; z-index: 100; top: 12px; left: 12px; padding: 12px 20px; background: white; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: 10px 28px; border: 1px solid var(--action); border-radius: 6px; color: white; background: var(--action); font-size: clamp(16px, 1.35vw, 25px); font-weight: 500; text-align: center; line-height: 1.35; cursor: pointer; }
.button:hover { background: var(--action-hover); border-color: var(--action-hover); }
.button:active, .icon-button:active { filter: brightness(.92); }
.button-outline { color: var(--action); background: transparent; border-color: var(--brand); }
.button-outline:hover { background: var(--warm); color: var(--action-hover); border-color: var(--action-hover); }
.button-white { color: var(--ink); background: white; border-color: white; }
.button-white:hover { color: var(--action); background: var(--warm); border-color: white; }
.button-glass { color: white; background: #b5310080; border-color: #ffbd9d; }
.button-glass:hover { color: white; background: #a82a00b3; border-color: white; }
.button-dark-outline { color: white; background: transparent; border-color: #7f7f7f; }
.button-dark-outline:hover { background: #272727; border-color: white; }
.button-small { min-height: 40px; padding: 7px 14px; font-size: 14px; border-radius: 4px; white-space: nowrap; }
.icon-button { display: inline-flex; justify-content: center; align-items: center; width: 44px; height: 44px; padding: 10px; background: transparent; }
.icon-button:hover { background: var(--warm); }
.text-button { padding: 0; background: transparent; color: var(--action); }
.text-button:hover { text-decoration: underline; text-underline-offset: 4px; }
.site-header { position: sticky; top: 0; z-index: 40; background: white; box-shadow: 0 2px 8px #0000000a; }
.header-inner { display: flex; align-items: center; height: var(--header-height); gap: clamp(20px, 2.2vw, 42px); }
.brand { flex-shrink: 0; display: flex; align-items: center; min-height: 44px; }
.brand img { width: clamp(128px,9.1vw,174px); }
.desktop-nav { display: flex; align-items: center; gap: clamp(12px,1.5vw,29px); white-space: nowrap; flex: 1; }
.desktop-nav a { min-height: 44px; display: flex; align-items: center; font-size: clamp(12px,.93vw,18px); color: #5f5f5f; }
.desktop-nav a:hover, .desktop-nav a[aria-current], .mobile-nav a[aria-current] { color: var(--action); }
.desktop-nav a[aria-current] { font-weight: 650; }
.header-actions { display: flex; align-items: center; gap: 8px; margin-left: auto; }
.header-actions .button-small { font-size: clamp(12px,.93vw,18px); padding-inline: 12px; }
.language-button { display: flex; align-items: center; justify-content: center; gap: 4px; background: transparent; white-space: nowrap; min-width: 76px; min-height: 44px; padding: 0 4px; font-size: clamp(12px,.93vw,18px); }
.language-button .selected { color: var(--action); font-weight: 650; }
.language-button .divider { color: #9c9c9c; }
.login-link { display: inline-flex; align-items: center; justify-content: center; min-width: 44px; min-height: 44px; font-size: clamp(12px,.93vw,18px); margin-inline: 4px 12px; white-space: nowrap; }
.login-link:hover { color: var(--action); }
.menu-toggle, .mobile-nav { display: none; }
.hero { position: relative; isolation: isolate; overflow: hidden; background: #fcf8f3; }
.hero-inner { position: relative; display: flex; align-items: center; min-height: clamp(360px,26vw,500px); }
.hero-copy { position: relative; z-index: 2; width: 55%; padding-block: 48px; }
.hero h1 { font-size: clamp(32px,3.2vw,62px); letter-spacing: -.02em; }
.hero-subtitle { margin-top: 4px; font-size: clamp(24px,2.5vw,48px); line-height: 1.45; color: var(--action); }
.hero-description { font-size: clamp(16px,1.42vw,27px); line-height: 1.6; margin-top: clamp(16px,1.8vw,34px); }
.hero-copy > .button { margin-top: clamp(24px,3.5vw,66px); padding: 14px 42px; }
.hero-art { position: absolute; z-index: -1; inset: 0 0 0 auto; width: 64%; }
.hero-art > img { width: 100%; height: 100%; object-fit: cover; object-position: center; }
.hero-art::after { content: ''; position: absolute; inset: 0; background: linear-gradient(90deg, #fcf8f3 0, #fcf8f300 28%); }
.hero-home { background: var(--brand); color: white; }
.hero-home .hero-inner { min-height: min(41.75vw,802px); }
.hero-home .hero-copy { width: 54%; padding-block: 54px; }
.hero-home .hero-art { width: 100%; }
.hero-home .hero-art::after { display: none; }
.hero-home h1 { color: white; font-size: clamp(36px,3.55vw,68px); line-height: 1.3; }
.hero-home .hero-description { color: white; font-size: clamp(16px,1.46vw,28px); line-height: 1.3; text-shadow: 0 1px 3px #a82a0040; }
.hero-buttons { display: flex; justify-content: flex-start; flex-wrap: wrap; gap: 20px; margin-top: clamp(28px,3.7vw,70px); }
.hero-buttons .button { min-width: 150px; }
.hero-home .hero-buttons .button { min-width: clamp(150px,10.5vw,202px); }
.hero-seller, .hero-supplier { background: #fdf7f2; }
.hero-seller .hero-inner, .hero-supplier .hero-inner { min-height: clamp(480px,36.5vw,700px); }
.hero-seller .hero-art { width: 57%; height: 88%; top: auto; }
.hero-supplier .hero-art { width: 62%; }
.hero-seller .hero-art::after, .hero-supplier .hero-art::after { background: linear-gradient(90deg,#fdf7f2,#fdf7f200 20%); }
.hero-seller .hero-copy, .hero-supplier .hero-copy { width: 54%; }
.hero-seller .hero-subtitle, .hero-supplier .hero-subtitle { font-size: clamp(24px,2.5vw,48px); white-space: nowrap; }
.hero-seller .hero-description, .hero-supplier .hero-description { font-size: clamp(16px,1.38vw,26px); }
.hero-warehouses { background: #fde9d3; }
.hero-warehouses .hero-art { width: 56%; }
.hero-warehouses .hero-art::after { background: linear-gradient(90deg,#fde9d3,#fde9d300 35%); }
.hero-warehouses .hero-art > img { object-position: center 62%; }
.hero-warehouses .hero-subtitle { white-space: nowrap; }
.hero-about { background: #fdf1e2; }
.hero-about .hero-art { width: 67%; }
.hero-about .hero-art::after { background: linear-gradient(90deg,#fdf1e2,#fdf1e200 26%); }
.hero-about .hero-art > img { object-position: center 55%; }
.hero-help { background: #f3f3f3; }
.hero-help .hero-art { width: 48%; right: 10%; }
.hero-help .hero-art > img { object-fit: contain; }
.hero-help .hero-art::after { background: linear-gradient(90deg,#f3f3f3,#f3f3f300 25%); }
.stats-band { background: var(--soft); padding: clamp(24px,2.4vw,46px) 0; }
.stats-grid { display: grid; grid-template-columns: repeat(5,minmax(0,1fr)); }
.stat { display: flex; flex-direction: column; align-items: center; justify-content: center; line-height: 1.4; text-align: center; padding-inline: 12px; }
.stat + .stat { border-left: 1px solid var(--line); }
.stat .icon { color: var(--brand); width: clamp(34px,3.4vw,65px); height: clamp(34px,3.4vw,65px); stroke-width: .85; margin-bottom: 6px; }
.stat strong { font-size: clamp(25px,2.6vw,50px); font-variant-numeric: tabular-nums; white-space: nowrap; }
.stat > span { font-size: clamp(14px,1.35vw,26px); color: #565656; }
.role-section { padding-block: clamp(40px,3.1vw,60px); }
.role-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 20px; }
.role-card { position: relative; border-radius: 6px; padding: clamp(24px,2.4vw,46px); background: var(--warm); }
.role-card.supplier { background: var(--blue-soft); }
.role-card h2 { font-size: clamp(24px,2.1vw,40px); }
.role-card p { margin: 4px 0 22px; font-size: clamp(16px,1.55vw,30px); }
.role-card li { display: flex; align-items: center; gap: 10px; font-size: clamp(16px,1.34vw,26px); line-height: 1.65; }
.role-card li .icon { color: var(--brand); stroke-width: 1.6; }
.role-card .button { position: absolute; right: clamp(24px,2.6vw,50px); bottom: 38px; font-size: clamp(15px,1.28vw,24px); padding-inline: 18px; }
.role-card.supplier .icon { color: var(--blue); }
.role-card.supplier .button { color: var(--blue); border-color: #8cafff; }
.role-card.supplier .button:hover { background: #e4edff; }
.section { padding-block: clamp(48px,4.1vw,80px); }
.muted-section { background: var(--soft); }
.section-title { text-align: center; font-size: clamp(28px,2.55vw,49px); color: #141414; margin-bottom: 38px; }
.section-lead { text-align: center; font-size: clamp(16px,1.7vw,32px); margin-top: -28px; margin-bottom: 40px; }
.category-preview { display: grid; grid-template-columns: repeat(6,minmax(0,1fr)); gap: 24px; }
.category-card { display: flex; min-width: 0; background: white; border: 1px solid var(--line); border-radius: 18px; padding: 10px; overflow: hidden; }
.category-card:hover { border-color: var(--brand); box-shadow: 0 5px 20px #6532000d; }
.category-card:target { border-color: var(--brand); box-shadow: 0 0 0 3px #ff480020; }
.category-preview .category-card { display: block; border: 0; border-radius: 6px; padding: 0; }
.category-preview .category-card img { width: 100%; aspect-ratio: 1.03; object-fit: cover; }
.category-preview h3 { font-size: clamp(15px,1.3vw,25px); line-height: 1.4; padding: 12px 3px; font-weight: 400; text-align: center; }
.center-action { display: flex; justify-content: center; margin-top: 48px; }
.warehouse-preview { display: grid; align-items: center; grid-template-columns: 43% 57%; }
.warehouse-preview h2 { font-size: clamp(28px,2.5vw,48px); }
.warehouse-preview p { font-size: clamp(15px,1.2vw,23px); margin-top: 16px; line-height: 1.45; }
.warehouse-preview a { display: block; margin-left: 8px; }
.metrics { display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); text-align: center; gap: 20px; margin-block: 56px; }
.metrics > div { position: relative; display: flex; flex-direction: column; line-height: 1.45; }
.metrics > div + div::before { position: absolute; content: ''; height: 60%; left: -10px; top: 20%; border-left: 1px solid var(--line); }
.metrics strong { color: var(--brand); font-size: clamp(30px,2.75vw,53px); font-variant-numeric: tabular-nums; }
.metrics span { font-size: clamp(16px,1.5vw,29px); }
.warehouse-preview .metrics { grid-template-columns: repeat(2,minmax(0,1fr)); gap: 30px; margin: 42px 0 0; }
.warehouse-preview .metrics strong { font-size: clamp(28px,2.5vw,48px); }
.warehouse-preview .metrics span { font-size: clamp(15px,1.3vw,25px); }
.warehouse-preview .metrics > div:nth-child(3)::before { display: none; }
.benefit-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); column-gap: 64px; row-gap: 52px; padding-block: 26px; }
.benefit { display: flex; align-items: center; gap: clamp(20px,3.7vw,70px); }
.benefit > .icon { color: var(--brand); width: clamp(44px,4.7vw,90px); height: clamp(44px,4.7vw,90px); stroke-width: .8; }
.benefit h3 { font-size: clamp(18px,1.5vw,29px); margin-bottom: 12px; }
.benefit p { font-size: clamp(14px,1.12vw,22px); line-height: 1.45; }
.process-tabs { display: flex; justify-content: center; gap: 110px; margin-bottom: 48px; }
.process-tabs button { background: transparent; min-height: 44px; border-radius: 0; padding: 8px 0; font-size: clamp(18px,1.45vw,28px); position: relative; }
.process-tabs button[aria-selected="true"] { color: var(--action); font-weight: 600; }
.process-tabs button[aria-selected="true"]::after { content: ''; height: 2px; background: var(--brand); position: absolute; bottom: 0; left: 0; right: 0; }
.process-steps { display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); gap: 34px; text-align: center; }
.process-steps li { position: relative; }
.process-steps li:not(:last-child)::after { content: '╌╌›'; position: absolute; left: calc(100% + 1px); top: 0; color: var(--brand); font-size: 32px; font-weight: 300; }
.step-number { color: var(--brand); font-size: clamp(28px,2.3vw,44px); font-weight: 300; line-height: 1.5; }
.process-steps h3 { font-size: clamp(18px,1.5vw,29px); color: #171717; margin: 12px 0 16px; }
.process-steps p { font-size: clamp(14px,1.25vw,24px); line-height: 1.45; }
.join-banner { background: #050505; color: white; text-align: center; padding-block: clamp(55px,5.3vw,100px); }
.join-banner h2 { font-size: clamp(28px,2.7vw,52px); }
.join-banner p { color: #e8e8e8; font-size: clamp(16px,1.35vw,26px); margin-top: 26px; }
.join-banner .hero-buttons { justify-content: center; margin-top: 50px; gap: 36px; }
.category-section { padding-block: 36px; }
.category-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 20px 40px; }
.category-grid .category-card img { width: 47%; aspect-ratio: 1.43; object-fit: cover; border-radius: 8px; }
.category-content { min-width: 0; }
.category-grid .category-content { flex: 1; position: relative; padding: 6px 18px 48px 32px; }
.category-number { color: var(--action); font-size: clamp(24px,1.7vw,33px); font-weight: 300; }
.category-grid h2 { font-size: clamp(22px,1.75vw,34px); margin: 4px 0; }
.category-grid p { font-size: clamp(15px,1.13vw,22px); line-height: 1.4; }
.category-grid .icon { position: absolute; bottom: 14px; right: 18px; width: 45px; height: 45px; color: var(--brand); stroke-width: .9; }
.service-strip { padding-block: 42px; }
.service-strip .benefit-grid { grid-template-columns: repeat(4,minmax(0,1fr)); gap: 20px; padding: 0; }
.service-strip .benefit { gap: 20px; }
.service-strip .benefit + .benefit { border-left: 1px solid var(--line); padding-left: 22px; }
.service-strip .benefit .icon { width: 48px; height: 48px; }
.service-strip .benefit p { font-size: clamp(14px,1.02vw,20px); }
.feature-row { padding-block: 20px; }
.feature-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 100px; align-items: center; min-height: min(17vw,326px); }
.feature-inner > img { max-height: 315px; width: 82%; object-fit: contain; margin-inline: auto; }
.feature-copy h2 { color: var(--action); font-size: clamp(23px,1.8vw,35px); }
.feature-subtitle { font-size: clamp(18px,1.4vw,27px); margin: 4px 0 24px; }
.feature-copy ul { color: var(--muted); font-size: clamp(16px,1.14vw,22px); line-height: 1.55; }
.feature-copy li::before { content: '- '; }
.feature-inner.reverse .feature-copy { order: -1; padding-left: 6%; }
.service-process { padding-block: 85px; }
.service-process .section-title { margin-bottom: 70px; }
.partner-logos { display: grid; grid-template-columns: 1.05fr 1.3fr 1.3fr 1.1fr .85fr; gap: 42px; align-items: center; margin-top: 50px; }
.partner-logos img { width: 100%; height: 80px; object-fit: contain; }
.partners { padding-block: 70px; }
.warehouse-network .section-lead { font-size: clamp(16px,1.25vw,24px); }
.network-map { width: 76%; max-width: 1100px; margin: 60px auto -10px; }
.boxed { gap: 24px; }
.boxed .benefit { background: white; border-radius: 8px; padding: 30px; gap: 32px; align-items: flex-start; }
.boxed .benefit h3 { font-size: clamp(21px,1.7vw,33px); }
.steps-6 { grid-template-columns: repeat(6,minmax(0,1fr)); }
.callout { background: var(--warm); display: flex; align-items: center; justify-content: space-between; gap: 30px; padding: 32px 54px; border-radius: 12px; margin-top: 60px; }
.callout h2 { font-size: clamp(23px,1.75vw,34px); }
.callout p { font-size: clamp(16px,1.2vw,23px); margin-top: 6px; }
.callout .button { flex-shrink: 0; }
.about-grid { display: grid; grid-template-columns: 35% 60%; gap: 5%; align-items: center; }
.about-intro { padding-block: 90px; }
.about-pillars { display: grid; gap: 52px; }
.about-pillars h2 { font-size: clamp(28px,2.3vw,44px); color: var(--action); }
.about-pillars p { margin-top: 6px; font-size: clamp(16px,1.25vw,24px); }
.about-story h2 { font-size: clamp(28px,2.3vw,44px); color: #111; margin-bottom: 36px; }
.about-story p { font-size: clamp(17px,1.45vw,28px); line-height: 1.65; margin-top: 32px; }
.culture-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 44px; }
.culture-grid article { background: white; border-radius: 20px; padding: 40px; }
.culture-grid .icon { width: 65px; height: 65px; color: var(--brand); stroke-width: .8; }
.culture-grid h3 { font-size: clamp(24px,2vw,38px); margin-top: 18px; }
.culture-grid p { font-size: clamp(16px,1.18vw,23px); margin-top: 8px; line-height: 1.45; }
.culture-section .section-title { margin-bottom: 58px; }
.help-search { display: flex; width: min(100%,620px); margin-top: 38px; padding: 5px; background: white; border-radius: 10px; }
.help-search input { min-width: 0; flex: 1; width: 100%; padding: 10px 12px; min-height: 50px; border: 0; border-radius: 6px; font-size: 16px; background: white; }
.help-search button { display: grid; place-items: center; min-width: 76px; color: white; background: var(--action); border-radius: 8px; }
.help-search button:hover { background: var(--action-hover); }
.help-search .icon { width: 30px; height: 30px; stroke-width: 1.7; }
.help-content { padding-block: 52px 32px; }
.help-role-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 38px; }
.help-role { display: flex; align-items: center; gap: 28px; min-width: 0; border: 1px solid var(--line); border-radius: 12px; padding: 24px 30px; text-align: left; background: white; }
.help-role:hover { background: #fffaf7; }
.help-role[aria-pressed="true"] { border-color: var(--brand); }
.help-role-icon { display: grid; place-items: center; width: 74px; height: 74px; flex-shrink: 0; border-radius: 50%; background: var(--footer); color: #777; }
.help-role[aria-pressed="true"] .help-role-icon { color: var(--brand); background: var(--warm); }
.help-role-icon .icon { width: 42px; height: 42px; stroke-width: .8; }
.help-role strong { display: block; font-size: clamp(23px,1.8vw,34px); }
.help-role-description { display: block; font-size: clamp(15px,1.1vw,21px); color: var(--muted); margin-top: 6px; }
.faq-filters { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; margin-block: 50px 40px; }
.faq-filters button { background: white; color: #606060; border: 1px solid #b5b5b5; border-radius: 30px; min-height: 44px; padding: 8px 22px; font-size: clamp(15px,1.2vw,23px); }
.faq-filters button:hover { background: var(--warm); }
.faq-filters button[aria-pressed="true"] { border-color: var(--brand); color: var(--action); background: #fff8f3; font-weight: 600; }
.faq-list { border-top: 1px solid var(--line); }
.faq-list details { border-bottom: 1px solid var(--line); }
.faq-list summary { position: relative; list-style: none; min-height: 64px; padding: 18px 48px 18px 24px; font-size: clamp(18px,1.4vw,27px); font-weight: 500; line-height: 1.5; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after { content: ''; position: absolute; right: 26px; top: 27px; width: 10px; height: 10px; border-top: 1.5px solid #929292; border-right: 1.5px solid #929292; transform: rotate(45deg); transition: transform var(--motion); }
.faq-list details[open] summary::after { transform: rotate(135deg); }
.faq-list summary:hover { color: var(--action); background: #fdfaf8; }
.faq-list details p { padding: 0 56px 24px 44px; font-size: clamp(16px,1.1vw,21px); line-height: 1.7; }
.search-status { color: var(--muted); margin: -12px 0 24px; }
.faq-empty { text-align: center; padding: 60px 24px; background: var(--soft); }
.faq-empty h2 { font-size: 24px; margin-bottom: 12px; }
.faq-empty .button { margin-top: 24px; }
.help-callout { position: relative; }
.help-contact-art { width: 110px; height: 102px; object-fit: contain; position: absolute; top: 30px; left: 40px; }
.help-callout .callout { padding-left: 180px; margin-top: 32px; min-height: 160px; }
.account-section { background: radial-gradient(ellipse at 12% 10%,#f8f1e9,transparent 55%),radial-gradient(ellipse at 90% 95%,#f9f0e8,transparent 55%),white; padding-block: clamp(60px,4.7vw,90px); }
.account-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; min-height: 680px; }
.account-intro { padding: 24px 0; }
.account-intro h1 { color: var(--action); font-size: clamp(30px,2.55vw,49px); line-height: 1.2; }
.account-intro > p { margin-top: 20px; font-size: clamp(17px,1.4vw,27px); color: #606060; }
.account-intro > img { width: 100%; max-height: 470px; object-fit: contain; margin-top: 30px; }
.account-card { background: white; border-radius: 22px; box-shadow: 0 1px 14px #5726000d; padding: clamp(32px,3.65vw,70px); }
.account-form h2 { font-size: clamp(28px,2.4vw,46px); margin: 0 0 56px; }
.form-field { margin-bottom: 20px; }
.form-field label { display: block; font-size: clamp(17px,1.45vw,28px); font-weight: 500; margin-bottom: 8px; }
.form-field input, .form-field select { display: block; width: 100%; border: 1px solid var(--line); background: white; color: var(--ink); padding: 14px 20px; min-height: 58px; font-size: clamp(16px,1.4vw,27px); outline-offset: 2px; }
input::placeholder { color: #757575; opacity: 1; }
.form-field input:hover, .form-field select:hover { border-color: #b7b7b7; }
.form-field [aria-invalid="true"] { border-color: var(--error); }
.field-error { color: var(--error); font-size: 14px; line-height: 1.5; padding-top: 6px; }
.field-error:empty { display: none; }
.password-wrap { position: relative; }
.password-wrap input { padding-right: 62px; }
.password-toggle { position: absolute; right: 8px; top: 50%; transform: translateY(-50%); color: #666; }
.password-toggle[aria-pressed="true"] { color: var(--action); background: var(--warm); }
.form-options { display: flex; justify-content: space-between; align-items: center; gap: 20px; margin-block: 32px 24px; }
.checkbox-label { display: inline-flex; align-items: center; gap: 10px; min-height: 44px; cursor: pointer; font-size: clamp(14px,1.1vw,21px); }
input[type="checkbox"] { accent-color: var(--action); width: 20px; height: 20px; margin: 0; flex-shrink: 0; cursor: pointer; }
.consent-field { margin-top: 26px; }
.consent-line { display: flex; align-items: center; flex-wrap: wrap; column-gap: 7px; font-size: clamp(14px,1.05vw,20px); }
.consent-line a { color: var(--action); display: inline-flex; align-items: center; min-height: 44px; }
.consent-line a:hover, .signup-link a:hover { text-decoration: underline; }
.form-note { font-size: 13px; margin: 10px 0 20px; line-height: 1.7; }
.form-submit { width: 100%; min-height: 60px; margin-top: 8px; font-size: clamp(19px,1.6vw,31px); }
.signup-link { text-align: center; margin-top: 28px; font-size: clamp(17px,1.4vw,27px); }
.signup-link a { color: var(--action); display: inline-flex; align-items: center; min-height: 44px; }
.forgot-password { min-height: 44px; }
.form-result { padding: 22px; margin-top: 22px; border-radius: 8px; background: var(--warm); border: 1px solid #fac9b3; }
.form-result h3 { font-size: 20px; margin-bottom: 10px; }
.form-result p { font-size: 15px; }
.form-result .button { font-size: 16px; margin-top: 16px; }
.form-result a:not(.button) { color: var(--action); word-break: break-word; }
.legal-stripe { height: 80px; background: linear-gradient(105deg,#ff8d00,var(--brand) 30%,#ffd400); }
.legal-content { padding-block: 46px 80px; }
.legal-content header { text-align: center; margin-bottom: 54px; }
.legal-content h1 { font-weight: 400; color: var(--action); font-size: 28px; margin-bottom: 8px; }
.legal-content header p { font-size: 15px; }
.legal-content h2 { color: var(--action); font-size: 19px; font-weight: 500; margin-top: 24px; margin-bottom: 4px; }
.legal-content > p { font-size: 16px; line-height: 1.85; overflow-wrap: anywhere; }
.legal-content .legal-language-note { background: var(--warm); padding: 18px; margin-bottom: 30px; }
.site-footer { background: var(--footer); padding: 50px 0 22px; }
.footer-grid { display: grid; grid-template-columns: 1.6fr .85fr .7fr 1.6fr 1.45fr; gap: 40px; }
.footer-brand > a { display: inline-flex; align-items: center; min-height: 44px; }
.footer-brand > a img { width: clamp(130px,9.1vw,174px); }
.footer-brand p { margin-top: 12px; line-height: 1.85; font-size: clamp(13px,1vw,19px); }
.social-image { width: 160px; max-height: 30px; object-fit: contain; object-position: left; margin-top: 14px; }
.site-footer h2 { position: relative; font-size: clamp(16px,1vw,19px); padding-bottom: 24px; margin-bottom: 10px; }
.site-footer h2::after { content: ''; position: absolute; left: 0; bottom: 8px; width: 24px; height: 1px; background: var(--brand); }
.footer-links a, .footer-contact a { display: block; color: var(--muted); font-size: clamp(13px,1vw,19px); line-height: 1.8; padding-block: 2px; }
.footer-links a:hover, .footer-contact a:hover { color: var(--action); }
.footer-contact p { font-size: clamp(13px,.94vw,18px); line-height: 1.8; }
.footer-contact a { white-space: nowrap; }
.qr-group { display: flex; justify-content: space-between; align-items: flex-start; gap: 22px; padding-left: 34px; border-left: 1px solid #d8d8d8; }
.qr-group figure { flex: 1; min-width: 0; text-align: center; }
.qr-group img { width: 100%; aspect-ratio: 1; object-fit: contain; }
.qr-group figcaption { font-size: clamp(12px,.95vw,18px); line-height: 1.3; color: #565656; margin-top: 10px; }
.friend-links { display: flex; align-items: center; flex-wrap: wrap; gap: 24px; padding: 36px 0 18px; margin-top: 26px; border-bottom: 1px solid #dedede; font-size: clamp(13px,.95vw,18px); color: #707070; }
.friend-links > .icon { width: 18px; height: 18px; margin-right: -16px; }
.friend-links strong { color: #4c4c4c; font-size: inherit; }
.friend-links .text-button { color: var(--muted); min-height: 44px; }
.friend-links .text-button + .text-button::before { content: '|'; margin-right: 24px; color: #a1a1a1; }
.copyright { display: flex; justify-content: space-between; gap: 30px; margin-top: 18px; font-size: clamp(12px,.9vw,17px); color: #6d6d6d; }
.back-top { position: fixed; bottom: max(24px,env(safe-area-inset-bottom)); right: 24px; z-index: 20; background: white; border: 1px solid var(--line); box-shadow: 0 3px 12px #00000014; color: var(--action); }
.back-top .icon { transform: rotate(-90deg); }
.contact-dialog { width: min(600px,calc(100% - 32px)); padding: 40px; border: 0; border-radius: 20px; color: var(--ink); box-shadow: 0 20px 90px #00000033; }
.contact-dialog::backdrop { background: #0009; }
.contact-dialog[open] { animation: dialog-enter 180ms ease-out; }
@keyframes dialog-enter { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }
.dialog-close { position: absolute; right: 12px; top: 12px; }
.contact-icon { display: flex; justify-content: center; align-items: center; width: 64px; height: 64px; background: var(--warm); color: var(--brand); border-radius: 50%; margin-bottom: 24px; }
.contact-icon .icon { width: 32px; height: 32px; }
.contact-dialog h2 { font-size: 27px; margin-bottom: 10px; }
.contact-row { display: grid; grid-template-columns: 1fr auto; align-items: center; margin-top: 28px; }
.contact-row > span { grid-column: 1/-1; font-size: 14px; color: var(--muted); }
.contact-row a { font-size: 18px; min-height: 44px; display: flex; align-items: center; color: var(--action); overflow-wrap: anywhere; }
.copy-email { min-height: 44px; min-width: 60px; color: var(--action); background: var(--warm); }
.contact-hours { margin-top: 28px; font-size: 14px; }
.contact-status { margin-top: 10px; font-size: 14px; }
.toast { position: fixed; z-index: 60; bottom: max(28px,env(safe-area-inset-bottom)); left: 50%; transform: translateX(-50%); width: max-content; max-width: calc(100% - 40px); padding: 12px 24px; border-radius: 10px; background: #282828; color: white; box-shadow: 0 4px 24px #0003; text-align: center; }
html[lang="en"] .desktop-nav { gap: 16px; }
html[lang="en"] .header-inner { gap: 24px; }
html[lang="en"] .hero h1 { font-size: clamp(32px,3vw,58px); }
html[lang="en"] .hero-subtitle { white-space: normal; font-size: clamp(24px,2.25vw,42px); }
html[lang="en"] .hero-description { font-size: clamp(16px,1.2vw,23px); }
html[lang="en"] .role-card .button { position: static; margin-top: 24px; }
html[lang="en"] .role-card p { min-height: 54px; }
html[lang="en"] .benefit-grid { column-gap: 36px; }
html[lang="en"] .benefit { gap: 24px; }
html[lang="en"] .footer-grid { gap: 28px; }

@media (max-width: 1600px) {
  .header-inner { gap: 26px; }
  .desktop-nav { gap: 18px; }
  .header-actions { gap: 4px; }
  .header-actions .button-small { padding-inline: 10px; }
  .login-link { margin-inline: 0 4px; }
  .role-card .button { bottom: 26px; right: 24px; }
  .role-card p { margin-bottom: 20px; }
  .category-preview { gap: 18px; }
  .benefit-grid { column-gap: 42px; }
  .benefit { gap: 35px; }
  .footer-grid { gap: 24px; }
  .qr-group { padding-left: 20px; gap: 16px; }
  .feature-inner { gap: 70px; }
  .faq-filters button { padding-inline: 16px; }
}
@media (max-width: 1300px) {
  .container { width: 84%; }
  .header-inner { width: calc(100% - 64px); gap: 25px; }
  .desktop-nav { gap: 20px; }
  .desktop-nav a, .header-actions .button-small, .language-button, .login-link { font-size: 12px; }
  .hero-copy { width: 57%; }
  .role-card .button { position: static; margin-top: 20px; }
  .role-card p { font-size: 18px; }
  .category-grid { column-gap: 24px; }
  .category-grid .category-content { padding-left: 20px; }
  .benefit-grid { column-gap: 28px; }
  .benefit { gap: 24px; }
  .service-strip .benefit { gap: 16px; }
  .service-strip .benefit + .benefit { padding-left: 18px; }
  .service-strip .benefit .icon { width: 44px; height: 44px; }
  .help-role { padding: 20px; gap: 18px; }
  .faq-filters { justify-content: flex-start; }
  .faq-filters button { flex: 1 0 auto; }
  .footer-grid { grid-template-columns: 1.5fr .8fr .7fr 1.7fr; }
  .qr-group { grid-column: 1/-1; width: 250px; padding: 0; border: 0; gap: 30px; }
  .qr-group img { width: 92px; }
  .qr-group figure { flex: initial; }
  .qr-group figcaption { font-size: 13px; }
  .friend-links { padding-top: 12px; margin-top: 18px; }
  html[lang="en"] .desktop-nav { gap: 12px; }
  html[lang="en"] .header-inner { gap: 18px; }
}
@media (max-width: 1100px) {
  .desktop-nav, .header-actions > .button { display: none; }
  .menu-toggle { display: inline-flex; }
  .mobile-nav:not([hidden]) { display: grid; grid-template-columns: 1fr 1fr; gap: 6px 16px; padding: 16px 6% 24px; border-top: 1px solid var(--line); max-height: calc(100dvh - var(--header-height)); overflow-y: auto; box-shadow: 0 8px 12px #00000008; }
  .mobile-nav > a { padding: 12px 16px; min-height: 48px; background: var(--soft); border-radius: 6px; }
  .mobile-nav > a[aria-current] { background: var(--warm); }
  .mobile-nav-actions { grid-column: 1/-1; display: flex; gap: 16px; margin-top: 12px; }
  .mobile-nav-actions .button { flex: 1; }
  .language-button, .login-link { font-size: 14px; }
  .header-actions { gap: 10px; }
  .hero-copy { width: 61%; }
  .hero-home .hero-inner { min-height: 510px; }
  .hero-home .hero-copy { width: 62%; }
  .hero-home .hero-art > img { object-position: 58% center; }
  .hero-home h1 { font-size: 38px; }
  .hero-seller .hero-subtitle, .hero-supplier .hero-subtitle { white-space: normal; }
  .hero-seller .hero-copy, .hero-supplier .hero-copy { width: 56%; }
  .hero-description br { display: none; }
  .hero-home .hero-description br { display: initial; }
  .stats-grid { width: 94%; }
  .stat strong { font-size: 28px; }
  .category-preview { grid-template-columns: repeat(3,minmax(0,1fr)); gap: 24px; }
  .category-preview h3 { font-size: 18px; padding: 16px 4px; }
  .category-preview .category-card img { aspect-ratio: 1.3; }
  .benefit-grid { grid-template-columns: repeat(2,minmax(0,1fr)); gap: 40px; }
  .benefit > .icon { width: 56px; height: 56px; }
  .benefit h3 { font-size: 20px; }
  .benefit p { font-size: 16px; }
  .warehouse-preview { grid-template-columns: 45% 55%; }
  .warehouse-preview h2 { font-size: 28px; }
  .warehouse-preview .metrics { gap: 28px 16px; }
  .process-steps { gap: 26px; }
  .process-steps li:not(:last-child)::after { font-size: 26px; left: calc(100% - 2px); }
  .process-steps p { font-size: 16px; }
  .category-grid .category-card { flex-direction: column; padding: 10px; }
  .category-grid .category-card img { width: 100%; aspect-ratio: 1.5; }
  .category-grid .category-content { padding: 14px 16px 20px; min-height: 170px; }
  .category-grid p { padding-right: 40px; font-size: 16px; }
  .category-grid .icon { width: 34px; height: 34px; bottom: 26px; }
  .category-grid h2 { font-size: 24px; }
  .service-strip .benefit-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .service-strip .benefit + .benefit { padding: 0; border: 0; }
  .feature-inner { gap: 42px; min-height: 260px; }
  .feature-inner > img { width: 100%; }
  .feature-copy h2 { font-size: 24px; }
  .feature-copy ul { font-size: 16px; }
  .partner-logos { gap: 24px; }
  .partner-logos img { height: 65px; }
  .steps-6 { grid-template-columns: repeat(3,minmax(0,1fr)); row-gap: 32px; }
  .steps-6 li:nth-child(3)::after { display: none; }
  .callout { padding: 28px; }
  .callout .button { padding-inline: 20px; }
  .culture-grid { gap: 24px; }
  .culture-grid article { padding: 28px; }
  .culture-grid h3 { font-size: 24px; }
  .culture-grid .icon { width: 48px; height: 48px; }
  .help-role-grid { gap: 24px; }
  .help-role { align-items: flex-start; }
  .help-role-icon { width: 54px; height: 54px; }
  .help-role-icon .icon { width: 32px; height: 32px; }
  .help-role strong { font-size: 22px; }
  .help-role-description { font-size: 15px; }
  .help-callout .callout { padding-left: 140px; }
  .help-contact-art { left: 24px; width: 92px; }
  .account-grid { width: 90%; gap: 32px; min-height: 640px; }
  .account-card { padding: 32px; }
  .account-intro h1 { font-size: 31px; }
  .account-form h2 { margin-bottom: 32px; font-size: 28px; }
  .form-field input, .form-field select { padding-inline: 14px; }
}
@media (max-width: 767px) {
  :root { --header-height: 68px; }
  .container { width: calc(100% - 40px); }
  .header-inner { gap: 16px; }
  .brand img { width: 128px; }
  .header-actions { gap: 3px; }
  .language-button { font-size: 13px; min-width: 66px; }
  .login-link { font-size: 14px; margin: 0; }
  .hero { display: flex; flex-direction: column; }
  .hero-inner { min-height: auto; order: -1; }
  .hero-copy, .hero-home .hero-copy, .hero-seller .hero-copy, .hero-supplier .hero-copy { width: 100%; padding: 42px 0 24px; }
  .hero h1, .hero-home h1 { font-size: clamp(30px,7.5vw,44px); letter-spacing: -.02em; }
  .hero-subtitle { font-size: 26px; line-height: 1.45; margin-top: 12px; }
  .hero-description, .hero-home .hero-description, .hero-seller .hero-description, .hero-supplier .hero-description { font-size: 16px; line-height: 1.7; margin-top: 20px; max-width: 560px; }
  .hero-description br, .hero-home .hero-description br { display: none; }
  .hero-art, .hero-seller .hero-art, .hero-supplier .hero-art, .hero-warehouses .hero-art, .hero-about .hero-art, .hero-help .hero-art { position: relative; inset: auto; width: 100%; height: auto; aspect-ratio: 1.85; z-index: 0; margin-top: 0; }
  .hero-art::after, .hero-seller .hero-art::after, .hero-supplier .hero-art::after { background: linear-gradient(#fdf7f2,#fdf7f200 22%); }
  .hero-art > img { object-fit: cover; }
  .hero-home .hero-inner, .hero-seller .hero-inner, .hero-supplier .hero-inner { min-height: auto; }
  .hero-home { background: #ff5100; }
  .hero-home .hero-art { position: relative; width: 100%; aspect-ratio: 1.55; margin-top: -8px; }
  .hero-home .hero-art > img { object-fit: cover; object-position: right bottom; width: 100%; }
  .hero-home .hero-art::after { display: block; content: ''; background: linear-gradient(#ff5100 0,#ff510000 25%); }
  .hero-home .hero-copy { padding-bottom: 20px; }
  .hero-home .hero-buttons { margin-top: 28px; gap: 12px; }
  .hero-home .hero-buttons .button { flex: 1; min-width: 0; }
  .hero-home .hero-description { text-shadow: 0 1px 3px #a52c0070; }
  .hero-copy > .button { margin-top: 24px; padding: 12px 32px; }
  .hero-seller .hero-art { aspect-ratio: 1.9; }
  .hero-supplier .hero-art { aspect-ratio: 1.9; }
  .hero-seller .hero-subtitle, .hero-supplier .hero-subtitle { font-size: 25px; }
  .hero-warehouses .hero-subtitle { font-size: 23px; white-space: normal; }
  .hero-warehouses .hero-art::after { background: linear-gradient(#fde9d3,#fde9d300 25%); }
  .hero-about .hero-art::after { background: linear-gradient(#fdf1e2,#fdf1e200 25%); }
  .hero-categories .hero-art { aspect-ratio: 2.25; }
  .hero-help .hero-art { height: 210px; aspect-ratio: auto; }
  .hero-help .hero-art > img { width: 90%; margin: auto; }
  .hero-help .hero-art::after { background: linear-gradient(#f3f3f3,#f3f3f300 25%); }
  .stats-band { padding: 28px 0; }
  .stats-grid { grid-template-columns: repeat(6,minmax(0,1fr)); gap: 26px 0; }
  .stat { grid-column: span 2; padding-inline: 5px; }
  .stat:nth-child(4) { grid-column: 2 / span 2; border-left: 0; }
  .stat strong { font-size: clamp(21px,5.5vw,30px); }
  .stat > span { font-size: 13px; margin-top: 4px; }
  .stat .icon { width: 36px; height: 36px; }
  .role-section { padding-block: 32px; }
  .role-grid { grid-template-columns: 1fr; gap: 16px; }
  .role-card { padding: 26px; border-radius: 10px; }
  .role-card h2 { font-size: 26px; }
  .role-card p { font-size: 16px; }
  .role-card ul { display: grid; grid-template-columns: 1fr 1fr; gap: 8px 10px; }
  .role-card li { font-size: 16px; gap: 6px; }
  .role-card li .icon { width: 20px; height: 20px; }
  .role-card .button { position: static; font-size: 16px; width: 100%; margin-top: 24px; }
  .section { padding-block: 44px; }
  .section-title { font-size: 27px; margin-bottom: 28px; }
  .section-lead { font-size: 16px; margin-top: -14px; margin-bottom: 28px; }
  .category-preview { grid-template-columns: repeat(2,minmax(0,1fr)); gap: 16px; }
  .category-preview h3 { font-size: 16px; padding: 13px 4px; }
  .category-preview .category-card img { aspect-ratio: 1.15; }
  .center-action { margin-top: 28px; }
  .center-action .button { width: 100%; }
  .warehouse-preview { grid-template-columns: 1fr; }
  .warehouse-preview h2 { font-size: 27px; }
  .warehouse-preview p { font-size: 16px; }
  .warehouse-preview .metrics { gap: 26px; margin-top: 30px; }
  .warehouse-preview .metrics strong { font-size: 30px; }
  .warehouse-preview .metrics span { font-size: 16px; }
  .warehouse-preview a { margin: 28px -10px -10px; }
  .benefit-grid { grid-template-columns: 1fr; gap: 30px; padding-block: 8px; }
  .benefit { gap: 24px; align-items: flex-start; }
  .benefit > .icon { width: 48px; height: 48px; }
  .benefit h3 { font-size: 20px; margin-bottom: 6px; }
  .benefit p { font-size: 16px; line-height: 1.6; }
  .benefit p br { display: none; }
  .process-tabs { gap: 64px; margin-bottom: 32px; }
  .process-tabs button { font-size: 18px; }
  .process-steps, .steps-6 { grid-template-columns: 1fr; gap: 0; text-align: left; }
  .process-steps li { padding: 0 0 28px 64px; min-height: 116px; }
  .process-steps li:last-child { padding-bottom: 0; min-height: 0; }
  .process-steps li:not(:last-child)::after, .steps-6 li:nth-child(3)::after { display: block; content: ''; width: 0; height: calc(100% - 48px); border-left: 1px dashed #f8a382; left: 20px; top: 46px; }
  .step-number { position: absolute; left: 0; top: -3px; width: 42px; text-align: center; font-size: 29px; line-height: 1.4; }
  .process-steps h3 { font-size: 20px; margin: 0 0 9px; }
  .process-steps p { font-size: 16px; line-height: 1.6; }
  .join-banner { padding-block: 48px; }
  .join-banner h2 { font-size: 28px; }
  .join-banner p { font-size: 16px; line-height: 1.7; margin-top: 20px; }
  .join-banner p br { display: none; }
  .join-banner .hero-buttons { flex-direction: column; gap: 16px; margin-top: 28px; }
  .category-section { padding-block: 28px; }
  .category-grid { grid-template-columns: 1fr; gap: 20px; }
  .category-grid .category-card { flex-direction: row; padding: 8px; border-radius: 12px; }
  .category-grid .category-card img { width: 43%; aspect-ratio: auto; object-fit: cover; align-self: stretch; }
  .category-grid .category-content { padding: 4px 6px 40px 16px; min-height: 180px; }
  .category-number { font-size: 21px; }
  .category-grid h2 { font-size: 21px; margin-bottom: 6px; }
  .category-grid p { font-size: 16px; padding: 0; line-height: 1.5; }
  .category-grid .icon { width: 28px; height: 28px; bottom: 8px; right: 8px; }
  .service-strip { padding-block: 32px; }
  .service-strip .benefit-grid { grid-template-columns: 1fr; }
  .service-strip .benefit { gap: 24px; }
  .service-strip .benefit p { font-size: 16px; }
  .feature-row { padding-block: 34px; }
  .feature-inner { grid-template-columns: 1fr; gap: 24px; min-height: auto; }
  .feature-inner > img { max-width: 440px; max-height: 250px; }
  .feature-inner .feature-copy, .feature-inner.reverse .feature-copy { order: -1; padding: 0; }
  .feature-copy h2 { font-size: 25px; }
  .feature-subtitle { font-size: 18px; margin-bottom: 18px; }
  .feature-copy ul { line-height: 1.85; }
  .service-process { padding-block: 44px; }
  .service-process .section-title { margin-bottom: 34px; }
  .partners { padding-block: 44px; }
  .partner-logos { grid-template-columns: repeat(6,minmax(0,1fr)); column-gap: 22px; row-gap: 16px; margin-top: 30px; }
  .partner-logos img { height: 48px; grid-column: span 2; }
  .partner-logos img:nth-child(4) { grid-column: 2/span 2; }
  .metrics { grid-template-columns: 1fr 1fr; gap: 30px; margin: 36px 0; }
  .metrics strong { font-size: 32px; }
  .metrics span { font-size: 16px; }
  .metrics > div:nth-child(3)::before { display: none; }
  .network-map { width: calc(100% + 20px); max-width: none; margin: 32px -10px -8px; }
  .boxed { gap: 16px; }
  .boxed .benefit { padding: 24px; gap: 22px; }
  .boxed .benefit h3 { font-size: 21px; }
  .callout { flex-direction: column; align-items: stretch; padding: 26px; margin-top: 38px; gap: 24px; }
  .callout h2 { font-size: 23px; }
  .callout p { font-size: 16px; }
  .about-grid { grid-template-columns: 1fr; gap: 36px; }
  .about-story { order: -1; }
  .about-story h2 { font-size: 28px; margin-bottom: 24px; }
  .about-story p { font-size: 16px; margin-top: 20px; line-height: 1.85; }
  .about-pillars { gap: 24px; padding-left: 20px; border-left: 2px solid var(--brand); }
  .about-pillars h2 { font-size: 24px; }
  .culture-grid { grid-template-columns: 1fr; gap: 20px; }
  .culture-grid article { border-radius: 12px; padding: 28px; }
  .culture-section .section-title { margin-bottom: 28px; }
  .culture-grid h3 { margin-top: 14px; }
  .culture-grid p { font-size: 16px; line-height: 1.65; }
  .help-search { margin-top: 26px; }
  .help-search input { min-height: 48px; font-size: 16px; padding-inline: 8px; }
  .help-search button { min-width: 52px; }
  .help-search .icon { width: 24px; height: 24px; }
  .help-content { padding-top: 28px; }
  .help-role-grid { gap: 12px; }
  .help-role { padding: 16px 12px; gap: 10px; flex-direction: column; align-items: center; text-align: center; }
  .help-role strong { font-size: 20px; }
  .help-role-description { display: none; }
  .help-role-icon { width: 48px; height: 48px; }
  .faq-filters { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 10px; margin: 28px 0; }
  .faq-filters button { font-size: 16px; min-height: 44px; padding-inline: 12px; }
  .faq-list summary { font-size: 17px; padding: 18px 34px 18px 2px; min-height: 64px; }
  .faq-list summary::after { right: 8px; top: 26px; width: 8px; height: 8px; }
  .faq-list details p { font-size: 16px; padding: 0 12px 22px 2px; line-height: 1.8; }
  .help-contact-art { width: 62px; height: 66px; left: 24px; top: 24px; }
  .help-callout .callout { padding: 26px; min-height: auto; }
  .help-callout .callout > div { padding-left: 76px; min-height: 70px; }
  .help-callout .callout h2 { font-size: 21px; }
  .help-callout .callout p { margin-top: 8px; }
  .account-section { padding-block: 32px 40px; }
  .account-grid { width: calc(100% - 40px); grid-template-columns: 1fr; gap: 24px; min-height: auto; }
  .account-intro { position: relative; padding: 0; min-height: 112px; }
  .account-intro h1 { font-size: 28px; line-height: 1.3; padding-right: 80px; }
  .account-intro > p { font-size: 15px; margin-top: 12px; max-width: 290px; }
  .account-intro > img { position: absolute; width: 95px; height: 80px; object-fit: contain; top: 0; right: -5px; margin: 0; }
  .account-card { padding: 26px 20px; border-radius: 16px; }
  .account-form h2 { font-size: 26px; margin-bottom: 28px; }
  .form-field { margin-bottom: 22px; }
  .form-field label { font-size: 17px; }
  .form-field input, .form-field select { min-height: 52px; padding: 12px 14px; font-size: 16px; }
  .password-wrap input { padding-right: 60px; }
  .consent-line { font-size: 14px; gap: 0 4px; }
  .checkbox-label { font-size: 14px; }
  .consent-field { margin-top: 16px; }
  .form-note { margin-top: 12px; font-size: 13px; }
  .form-submit { min-height: 52px; font-size: 19px; }
  .form-options { margin-top: 20px; gap: 8px; }
  .forgot-password { font-size: 14px; }
  .signup-link { font-size: 16px; margin-top: 20px; }
  .legal-stripe { height: 42px; }
  .legal-content { padding-block: 32px 44px; }
  .legal-content header { margin-bottom: 32px; }
  .legal-content h1 { font-size: 24px; }
  .legal-content h2 { margin-top: 26px; font-size: 19px; }
  .legal-content > p { font-size: 16px; line-height: 1.85; }
  .site-footer { padding: 36px 0 max(24px,env(safe-area-inset-bottom)); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 30px 24px; }
  .footer-brand { grid-column: 1/-1; }
  .footer-brand p { font-size: 15px; margin-top: 10px; }
  .footer-brand p br { display: none; }
  .social-image { width: 154px; margin-top: 12px; }
  .site-footer h2 { font-size: 17px; margin-bottom: 4px; padding-bottom: 20px; }
  .footer-links a, .footer-contact a { font-size: 15px; min-height: 44px; display: flex; align-items: center; padding-block: 4px; line-height: 1.5; }
  .footer-contact { grid-column: 1/-1; }
  .footer-contact p { font-size: 14px; }
  .qr-group { width: 240px; justify-content: flex-start; gap: 40px; }
  .qr-group img { width: 90px; }
  .qr-group figcaption { font-size: 13px; }
  .friend-links { gap: 4px 18px; padding-top: 12px; font-size: 14px; }
  .friend-links > .icon { margin-right: -10px; }
  .friend-links > strong { flex: 1; }
  .friend-links .text-button:nth-of-type(1) { margin-left: 0; }
  .friend-links .text-button + .text-button::before { display: none; }
  .copyright { flex-direction: column; gap: 10px; font-size: 12px; line-height: 1.8; padding-right: 22px; }
  .back-top { bottom: max(16px,env(safe-area-inset-bottom)); right: 12px; }
  .contact-dialog { padding: 28px 24px; }
  .contact-dialog h2 { font-size: 24px; }
  .contact-row a { font-size: 16px; }
  .contact-row { column-gap: 8px; }
  .copy-email { min-width: 48px; }
  html[lang="en"] .hero h1 { font-size: 34px; }
  html[lang="en"] .hero-subtitle { font-size: 25px; }
  html[lang="en"] .hero-description { font-size: 16px; }
  html[lang="en"] .role-card p { min-height: 0; }
  html[lang="en"] .footer-grid { gap: 28px 20px; }
  html[lang="en"] .hero-supplier .hero-copy { padding-bottom: 20px; }
  html[lang="en"] .account-intro h1 { padding-right: 70px; font-size: 26px; }
}
@media (max-width: 359px) {
  .container { width: calc(100% - 32px); }
  .brand img { width: 108px; }
  .header-inner { gap: 5px; }
  .header-actions { gap: 0; }
  .language-button { min-width: 60px; }
  .hero-home h1 { font-size: 28px; }
  .category-grid .category-card { flex-direction: column; }
  .category-grid .category-card img { width: 100%; aspect-ratio: 1.7; }
  .category-grid .category-content { min-height: 150px; }
  .account-grid { width: calc(100% - 24px); }
  .role-card { padding: 22px; }
  .role-card li { font-size: 15px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}
@media print {
  .site-header, .site-footer, .back-top, .toast, .legal-stripe { display: none; }
  .container { width: 100%; }
  .section, .legal-content { padding-block: 20px; }
  .legal-content p, .legal-content h2 { color: black; }
  a { text-decoration: underline; }
  .legal-content h2 { break-after: avoid; }
}