/* ============================================================
   patterntotem — design system
   ============================================================ */

:root{
  --paper:#FBFAF7;
  --surface:#FFFFFF;
  --ink:#14110E;
  --ink-2:#5A544E;
  --ink-3:#8C847C;
  --line:#E7E2DA;
  --line-2:#F2EEE8;
  --accent:#E8452B;
  --accent-2:#C9351E;
  --accent-soft:#FFF1ED;
  --good:#1F7A4D;

  --font-body:"Inter",system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,"PingFang SC","Microsoft YaHei",sans-serif;
  --font-display:"Fraunces",Georgia,"Songti SC",serif;

  --wrap:1120px;
  --wrap-narrow:760px;
  --r-sm:8px;
  --r:14px;
  --r-lg:22px;

  --shadow-sm:0 1px 2px rgba(20,17,14,.05);
  --shadow:0 6px 24px -8px rgba(20,17,14,.14);
  --shadow-lg:0 24px 60px -20px rgba(20,17,14,.22);
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--font-body);
  font-size:17px;
  line-height:1.62;
  font-feature-settings:"kern" 1,"liga" 1;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
a:hover{color:var(--accent)}
button,input,select,textarea{font:inherit;color:inherit}

/* ---------- typography ---------- */
h1,h2,h3,h4{margin:0 0 .5em;line-height:1.1;letter-spacing:-.02em;font-weight:600}
h1{font-family:var(--font-display);font-weight:600;font-size:clamp(2.3rem,5.6vw,4.1rem);letter-spacing:-.03em}
h2{font-family:var(--font-display);font-weight:600;font-size:clamp(1.7rem,3.4vw,2.5rem);letter-spacing:-.025em}
h3{font-size:1.22rem;letter-spacing:-.015em}
h4{font-size:1rem;letter-spacing:-.01em}
p{margin:0 0 1.1em}
.lead{font-size:clamp(1.08rem,1.9vw,1.3rem);color:var(--ink-2);line-height:1.55}
.small{font-size:.9rem}
.muted{color:var(--ink-3)}
.eyebrow{
  font-size:.74rem;font-weight:650;letter-spacing:.13em;text-transform:uppercase;
  color:var(--accent);margin:0 0 1.1rem;
}
strong{font-weight:640}

/* ---------- layout ---------- */
.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 24px}
.narrow{max-width:var(--wrap-narrow)}
section{padding:clamp(56px,8vw,104px) 0}
section.tight{padding:clamp(36px,5vw,64px) 0}
.rule{height:1px;background:var(--line);border:0;margin:0}
.center{text-align:center}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(251,250,247,.86);
  backdrop-filter:saturate(180%) blur(14px);
  -webkit-backdrop-filter:saturate(180%) blur(14px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;gap:28px;height:66px}
.logo{font-family:var(--font-display);font-size:1.28rem;font-weight:600;letter-spacing:-.02em;flex:none}
.logo span{color:var(--accent)}
.nav{margin-left:auto;display:flex;gap:26px;align-items:center}
.nav a{font-size:.94rem;color:var(--ink-2);font-weight:500;white-space:nowrap}
.nav a[aria-current="page"]{color:var(--ink)}
.nav a:hover{color:var(--accent)}
.nav .btn{padding:9px 16px;font-size:.9rem}
.nav-toggle{display:none;margin-left:auto;background:none;border:1px solid var(--line);border-radius:99px;padding:8px 14px;font-size:.9rem}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.5em;
  padding:13px 24px;border-radius:99px;border:1px solid transparent;
  font-size:.98rem;font-weight:580;letter-spacing:-.01em;cursor:pointer;
  transition:transform .14s ease,background .14s ease,border-color .14s ease,color .14s ease;
  white-space:nowrap;
}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 1px 2px rgba(232,69,43,.3)}
.btn-primary:hover{background:var(--accent-2);color:#fff}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--ink)}
.btn-ghost:hover{border-color:var(--ink);color:var(--ink)}
.btn-lg{padding:16px 30px;font-size:1.03rem}
.btn-row{display:flex;flex-wrap:wrap;gap:12px;align-items:center}

/* ---------- hero ---------- */
.hero{padding:clamp(60px,9vw,110px) 0 clamp(48px,6vw,80px)}
.hero h1{max-width:17ch}
.hero .lead{max-width:56ch;margin-top:22px}
.hero .btn-row{margin-top:34px}
.hero-note{margin-top:16px;font-size:.9rem;color:var(--ink-3)}

/* ---------- quote block (pain point) ---------- */
.quote{
  border-left:3px solid var(--accent);
  padding:6px 0 6px 26px;
  margin:0;
  font-family:var(--font-display);
  font-size:clamp(1.2rem,2.4vw,1.6rem);
  line-height:1.42;
  letter-spacing:-.02em;
  color:var(--ink);
  max-width:34ch;
}

/* ---------- cards / grids ---------- */
.grid{display:grid;gap:20px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
@media(max-width:900px){.grid-3,.grid-4{grid-template-columns:repeat(2,1fr)}}
@media(max-width:600px){.grid-2,.grid-3,.grid-4{grid-template-columns:1fr}}

.card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r);
  padding:26px;box-shadow:var(--shadow-sm);
}
.card h3{margin-top:0}
.card p:last-child{margin-bottom:0}
.card-link{display:block}
.card-link:hover .card{border-color:var(--ink);box-shadow:var(--shadow)}

.feature{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:24px;
}
.feature h4{margin-bottom:.4em}
.feature p{margin:0;color:var(--ink-2);font-size:.95rem}

/* ---------- lists ---------- */
.checks{list-style:none;margin:0;padding:0}
.checks li{position:relative;padding:7px 0 7px 30px;color:var(--ink-2)}
.checks li::before{
  content:"";position:absolute;left:4px;top:15px;width:11px;height:6px;
  border-left:2px solid var(--accent);border-bottom:2px solid var(--accent);
  transform:rotate(-45deg);
}
.checks.tight li{padding:4px 0 4px 26px}
.checks.tight li::before{top:13px}

.plate{
  list-style:none;margin:0;padding:0;border-top:1px solid var(--line);
}
.plate li{
  display:flex;justify-content:space-between;gap:20px;
  padding:13px 0;border-bottom:1px solid var(--line);font-size:.97rem;
}
.plate li b{font-weight:560}

/* ---------- spec table ---------- */
.spec{width:100%;border-collapse:collapse;font-size:.95rem}
.spec th,.spec td{text-align:left;padding:12px 14px;border-bottom:1px solid var(--line)}
.spec th{font-weight:600;color:var(--ink-3);font-size:.78rem;letter-spacing:.07em;text-transform:uppercase}
.spec td:first-child{font-weight:560;white-space:nowrap}
.spec tr:last-child td{border-bottom:0}
.table-wrap{border:1px solid var(--line);border-radius:var(--r);overflow:hidden;background:var(--surface)}

/* ---------- steps ---------- */
.steps{counter-reset:s;list-style:none;margin:0;padding:0;display:grid;gap:18px}
.steps li{position:relative;padding-left:62px;min-height:44px}
.steps li::before{
  counter-increment:s;content:counter(s);
  position:absolute;left:0;top:-2px;width:42px;height:42px;border-radius:50%;
  background:var(--accent-soft);color:var(--accent);
  display:flex;align-items:center;justify-content:center;
  font-weight:680;font-size:1.05rem;
}
.steps h4{margin:1px 0 .35em}
.steps p{margin:0;color:var(--ink-2);font-size:.97rem}

/* ---------- callout ---------- */
.callout{
  background:var(--accent-soft);border:1px solid #FFD9CE;border-radius:var(--r);
  padding:22px 24px;
}
.callout p:last-child{margin-bottom:0}
.callout.dark{background:var(--ink);border-color:var(--ink);color:#fff}
.callout.dark a{color:#fff;text-decoration:underline}

/* ---------- IP warning ---------- */
.ip-block{
  background:#FFF8F6;border:1px solid #FFD9CE;border-left:3px solid var(--accent);
  border-radius:var(--r);padding:20px 22px;
}
.ip-block h4{color:var(--accent);margin-bottom:.5em}

/* ---------- forms ---------- */
form{display:grid;gap:20px}
.field{display:grid;gap:7px}
.field label{font-size:.9rem;font-weight:580;letter-spacing:-.005em}
.field .hint{font-size:.84rem;color:var(--ink-3)}
input[type=text],input[type=email],input[type=url],select,textarea{
  width:100%;padding:12px 14px;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--r-sm);
  font-size:.98rem;transition:border-color .14s ease,box-shadow .14s ease;
}
input:focus,select:focus,textarea:focus{
  outline:none;border-color:var(--accent);
  box-shadow:0 0 0 3px rgba(232,69,43,.13);
}
textarea{min-height:104px;resize:vertical}

/* ---------- 勾选块（chip / 单选） ----------
   点一下即选中，不用展开下拉，选项一眼看全。
   结构：<label class="chip"><input type="radio"><span>文案</span></label>   */
fieldset.field{border:0;padding:0;margin:0;min-width:0}
fieldset.field legend{font-size:.9rem;font-weight:580;letter-spacing:-.005em;padding:0;margin:0 0 9px}
.chips-field{margin-top:22px}
.chips{display:flex;flex-wrap:wrap;gap:9px}
.chip{position:relative;display:inline-flex}
.chip input{position:absolute;inset:0;width:100%;height:100%;margin:0;opacity:0;cursor:pointer}
.chip span{
  display:inline-flex;align-items:center;gap:8px;padding:10px 16px;
  border:1.5px solid var(--line);border-radius:99px;background:var(--surface);
  font-size:.93rem;font-weight:530;line-height:1.15;letter-spacing:-.005em;
  transition:border-color .13s ease,background .13s ease,color .13s ease,box-shadow .13s ease;
}
.chip span::before{
  content:"";width:15px;height:15px;flex:0 0 15px;border-radius:50%;
  border:1.5px solid var(--line);background:transparent;transition:all .13s ease;
}
.chip:hover span{border-color:#C9C1B8}
.chip input:checked + span{
  border-color:var(--accent);background:var(--accent-soft);
  color:var(--accent-2);font-weight:640;
}
.chip input:checked + span::before{
  border-color:var(--accent);
  background:radial-gradient(circle at center,var(--accent) 0 4.5px,transparent 5px);
}
.chip input:focus-visible + span{border-color:var(--accent);box-shadow:0 0 0 3px rgba(232,69,43,.13)}
.chips-field .hint{margin-top:9px}
select{appearance:none;background-image:url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%238C847C' stroke-width='1.6' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 14px center;padding-right:38px}

/* file input */
.file-drop{
  border:1.5px dashed var(--line);border-radius:var(--r);padding:22px;background:var(--surface);
  text-align:center;transition:border-color .14s ease,background .14s ease;
}
.file-drop:hover{border-color:var(--accent);background:var(--accent-soft)}
.file-drop input[type=file]{display:block;margin:0 auto;font-size:.9rem}
.file-drop .hint{margin-top:8px}

/* ★ IP 承诺区块 —— 表单里最醒目的部分 */
.consent{
  background:#FFF8F6;border:1.5px solid var(--accent);border-radius:var(--r);
  padding:22px;display:grid;gap:14px;
}
.consent h4{margin:0;color:var(--accent);font-size:1rem;letter-spacing:-.01em}
.consent p{margin:0;font-size:.9rem;color:var(--ink-2)}
.consent .cb{display:grid;grid-template-columns:22px 1fr;gap:12px;align-items:start;font-size:.94rem;cursor:pointer}
.consent .cb input{margin:3px 0 0;width:19px;height:19px;accent-color:var(--accent);cursor:pointer}
.consent .req{font-size:.82rem;color:var(--ink-3)}
.consent .cb:hover{color:var(--ink)}

/* 可选项框：展示授权 / 商业对接
   视觉上刻意区别于必选的红色警示框 —— 这两项是给创作者的好处，不是门槛。 */
.consent-opt{background:#F3F9F5;border-color:#7FB79A}
.consent-opt h4{color:#2F6B4F}
.consent-opt .cb input{accent-color:#2F6B4F}
.consent-opt .note{font-size:.82rem;color:var(--ink-3);margin:0}

.hp{position:absolute;left:-9999px;opacity:0;pointer-events:none}

.form-status{padding:14px 18px;border-radius:var(--r-sm);font-size:.95rem;display:none}
.form-status.ok{display:block;background:#EAF6EF;color:#14532D;border:1px solid #BFE3CE}
.form-status.err{display:block;background:#FFF1ED;color:#7A1F0E;border:1px solid #FFD0C4}

.submit-row{display:flex;flex-wrap:wrap;gap:16px;align-items:center}

/* ---------- 品牌行 ---------- */
.brandline{margin-top:14px;font-size:1.02rem;color:var(--ink-2);font-weight:560;letter-spacing:.01em}
.footer-tagline{margin:12px 0 0;font-size:.92rem;color:var(--ink-3);letter-spacing:.01em}

/* ---------- footer ---------- */
.site-footer{border-top:1px solid var(--line);padding:56px 0 40px;margin-top:20px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:36px}
@media(max-width:760px){.footer-grid{grid-template-columns:1fr;gap:28px}}
.footer-grid h4{font-size:.78rem;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-3);margin-bottom:1em}
.footer-links{list-style:none;padding:0;margin:0;display:grid;gap:9px}
.footer-links a{font-size:.94rem;color:var(--ink-2)}
.footer-bottom{margin-top:40px;padding-top:22px;border-top:1px solid var(--line);display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;font-size:.86rem;color:var(--ink-3)}
.footer-bottom .legal{display:flex;flex-wrap:wrap;gap:8px 18px}
.footer-bottom .legal a{color:var(--ink-2)}
.footer-bottom .legal a:hover{color:var(--accent)}
.footer-bottom .entity{flex-basis:100%;font-size:.78rem;color:var(--ink-3);opacity:.85;margin-top:2px}

/* ---------- misc ---------- */
.stack-sm > * + *{margin-top:12px}
.stack > * + *{margin-top:22px}
.stack-lg > * + *{margin-top:38px}
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:clamp(28px,5vw,72px);align-items:start}
@media(max-width:820px){.two-col{grid-template-columns:1fr;gap:32px}}
.badge{display:inline-block;font-size:.76rem;font-weight:620;letter-spacing:.06em;text-transform:uppercase;color:var(--accent);background:var(--accent-soft);padding:5px 11px;border-radius:99px}

/* mobile nav */
@media(max-width:860px){
  .nav{
    position:absolute;top:66px;left:0;right:0;background:var(--surface);
    border-bottom:1px solid var(--line);flex-direction:column;align-items:stretch;
    padding:14px 24px 22px;gap:2px;display:none;
  }
  .nav.open{display:flex}
  .nav a{padding:11px 0;border-bottom:1px solid var(--line-2)}
  .nav .btn{margin-top:10px;border-bottom:0;justify-content:center}
  .nav-cta{display:inline-flex}
  .nav-toggle{display:block}
}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}

/* ============================================================
   右上角语言下拉
   ============================================================ */

.lang-select{
  position:relative;flex:none;
  display:flex;align-items:center;
}
.lang-globe{
  position:absolute;left:9px;top:50%;transform:translateY(-50%);
  width:14px;height:14px;pointer-events:none;
  stroke:var(--ink-3);fill:none;stroke-width:1.6;
  stroke-linecap:round;stroke-linejoin:round;
}
.lang-select select{
  appearance:none;-webkit-appearance:none;
  width:auto;min-width:118px;
  padding:7px 26px 7px 27px;
  font-size:.83rem;font-weight:540;letter-spacing:-.005em;
  color:var(--ink-2);background:transparent;
  border:1px solid var(--line);border-radius:99px;
  cursor:pointer;
  background-image:url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='7'%3E%3Cpath d='M1 1l4 4 4-4' stroke='%238C847C' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 10px center;
  transition:border-color .14s ease,background-color .14s ease;
}
.lang-select select:hover{border-color:var(--ink-3);background-color:var(--surface)}
.lang-select select:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(232,69,43,.13)}

/* 桌面显示头部 CTA，隐藏导航里的重复按钮 */
.header-cta{flex:none}
.nav-cta{display:none}

/* 窄屏逐步收敛：先收间距，再隐藏次要导航项 */
@media(max-width:1300px){
  .header-inner{gap:18px}
  .nav{gap:20px}
}
@media(max-width:1200px){
  .nav-sec{display:none}
  .header-inner{gap:16px}
  .nav{gap:19px}
}
@media(max-width:1080px){
  .header-inner{gap:13px}
  .nav{gap:16px}
  .nav a{font-size:.9rem}
  .lang-select select{min-width:100px;font-size:.8rem;padding-left:25px;padding-right:23px}
}
@media(max-width:980px){
  .header-cta{display:none}
  .nav{gap:14px}
}

/* ---------- RTL ---------- */
[dir="rtl"] .quote{
  border-left:0;border-right:3px solid var(--accent);
  padding-left:0;padding-right:26px;
}
[dir="rtl"] .checks li{padding-left:0;padding-right:30px}
[dir="rtl"] .checks li::before{left:auto;right:4px;transform:rotate(45deg)}
[dir="rtl"] .checks.tight li{padding-right:26px}
[dir="rtl"] .steps li{padding-left:0;padding-right:62px}
[dir="rtl"] .steps li::before{left:auto;right:0}
[dir="rtl"] .ip-block{border-left:0;border-right:3px solid var(--accent)}
[dir="rtl"] select{background-position:left 14px center;padding-right:14px;padding-left:38px}
[dir="rtl"] .header-inner{flex-direction:row-reverse}
[dir="rtl"] .nav{margin-left:0;margin-right:auto}
[dir="rtl"] .lang-globe{left:auto;right:9px}
[dir="rtl"] .lang-select select{
  padding:7px 27px 7px 26px;
  background-position:left 10px center;
}
[dir="rtl"] .logo{direction:ltr}
[dir="rtl"] .footer-bottom,[dir="rtl"] .plate li{text-align:right}
@media(max-width:860px){
  .lang-select{order:2}
  .nav-toggle{order:3;margin-left:8px}
  .nav{order:4}
  .header-cta{display:none}
  .nav-cta{display:inline-flex}
  [dir="rtl"] .nav{margin-right:0}
  [dir="rtl"] .nav-toggle{margin-left:0;margin-right:8px}
}

/* ---------- 社媒链接（页脚） ---------- */
.social{margin-top:38px;padding-top:26px;border-top:1px solid var(--line)}
.social h4{font-size:.78rem;letter-spacing:.1em;text-transform:uppercase;
  color:var(--ink-3);margin:0 0 14px}
.social-row{display:flex;flex-wrap:wrap;gap:9px}
.soc{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 14px 8px 11px;border:1px solid var(--line);border-radius:99px;
  font-size:.86rem;font-weight:520;color:var(--ink-2);text-decoration:none;
  transition:border-color .14s ease,color .14s ease,background .14s ease;
}
.soc svg{width:16px;height:16px;stroke:currentColor;fill:none;
  stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;flex:none}
.soc:hover{border-color:var(--accent);color:var(--accent);background:var(--accent-soft)}
.soc span{line-height:1}
@media(max-width:600px){
  .social-row{gap:7px}
  .soc{padding:7px 11px 7px 9px;font-size:.8rem}
  .soc svg{width:14px;height:14px}
}


/* ---------- 图片插槽 ---------- */
.shot{width:100%;height:auto;display:block;border-radius:var(--r);
  object-fit:cover;background:var(--line-2)}

.ph{
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:6px;text-align:center;padding:22px;
  border:1px dashed #DED6CC;border-radius:var(--r);
  background:
    linear-gradient(135deg, rgba(232,69,43,.05), rgba(232,69,43,.11)),
    repeating-linear-gradient(45deg, transparent 0 12px, rgba(20,17,14,.022) 12px 13px);
  color:var(--ink-3);
}
.ph-t{font-size:.82rem;font-weight:560;color:var(--ink-2);letter-spacing:-.005em}
.ph-f{font-size:.7rem;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;
  color:var(--ink-3);opacity:.8;word-break:break-all}
.ph.r43{aspect-ratio:4/3}
.ph.r11{aspect-ratio:1/1}
.ph.r45{aspect-ratio:4/5}
.ph.r169{aspect-ratio:16/9}
.ph.hero-shot{aspect-ratio:4/5;border-radius:var(--r-lg)}

/* Hero 两栏 */
.hero-inner{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);
  gap:clamp(28px,5vw,64px);align-items:center}
.hero-visual{position:relative}
@media(max-width:900px){
  .hero-inner{grid-template-columns:1fr;gap:30px}
  .hero-visual{order:-1}
  .ph.hero-shot{aspect-ratio:16/9}
}

/* 产品图 */
.prod-media{margin-bottom:18px}
.card .shot{margin-bottom:14px}
.card .ph{border-radius:8px}


/* ---------- 自定义文件选择器（原生控件的文字无法翻译） ---------- */
.file-input{
  position:absolute;width:1px;height:1px;padding:0;margin:-1px;
  overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0;
}
.file-drop{position:relative;display:flex;flex-wrap:wrap;align-items:center;
  gap:12px;justify-content:center;padding:22px}
.file-drop:focus-within{border-color:var(--accent);background:var(--accent-soft);
  box-shadow:0 0 0 3px rgba(232,69,43,.13)}
.file-input:focus-visible + .file-btn{outline:2px solid var(--accent);outline-offset:2px}
.file-btn{
  display:inline-flex;align-items:center;gap:8px;cursor:pointer;
  padding:10px 18px;border:1px solid var(--line);border-radius:99px;
  background:var(--surface);font-size:.92rem;font-weight:560;color:var(--ink);
  transition:border-color .14s ease,color .14s ease;
}
.file-btn:hover{border-color:var(--accent);color:var(--accent)}
.file-btn svg{width:16px;height:16px;stroke:currentColor;fill:none;
  stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;flex:none}
.file-name{font-size:.86rem;color:var(--ink-3);max-width:100%;
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.file-name.has{color:var(--ink);font-weight:540}
.file-drop.filled{border-style:solid;border-color:var(--accent);background:var(--accent-soft)}
.file-drop .hint{flex-basis:100%;margin:0;text-align:center}

/* ---------- 6-product editorial grid ---------- */
.grid-6{grid-template-columns:repeat(3,minmax(0,1fr))}
@media(max-width:740px){.grid-6{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:460px){.grid-6{grid-template-columns:1fr}}

/* ---------- 5 栏产品网格（加了吧唧之后） ---------- */
.grid-5{grid-template-columns:repeat(5,1fr)}
@media(max-width:1180px){.grid-5{grid-template-columns:repeat(3,1fr)}}
@media(max-width:740px){.grid-5{grid-template-columns:repeat(2,1fr)}}
@media(max-width:460px){.grid-5{grid-template-columns:1fr}}