/*
Theme Name: 一隅 Yiyu
Theme URI: https://example.com
Author: 小包
Description: 一隅 — 高级简约风格包袋电商主题,为台湾繁体市场打造。大量留白、宋体标题、支持 WooCommerce。
Version: 2.0.0
Requires at least: 6.0
Tested up to: 6.7
Requires PHP: 7.4
License: GNU General Public License v2 or later
Text Domain: yiyu
*/

/* ==========================================================================
   1. 设计系统
   ========================================================================== */
:root {
  --bg: #F7F5F1;
  --bg-soft: #F0EDE6;
  --bg-deep: #EBE7DF;
  --ink: #1B1A18;
  --muted: #8B857A;
  --line: #E4DFD6;
  --accent: #B08968;
  --accent-soft: #D9C7B4;
  --white: #FFFFFF;
  --footer-bg: #171614;
  --maxw: 1200px;
  --pad: clamp(20px, 4vw, 48px);
  --serif: "Noto Serif TC", "Songti TC", "PMingLiU", serif;
  --sans: "Noto Sans TC", "PingFang TC", "Microsoft JhengHei", sans-serif;
  --shadow: 0 20px 50px rgba(27, 26, 24, .08);
  --ease: cubic-bezier(.22, .61, .36, 1);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.9;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img { max-width: 100%; height: auto; display: block; }

a { color: var(--ink); text-decoration: none; transition: opacity .3s ease, color .3s ease; }
a:hover { opacity: .7; }

ul, ol { margin: 0; padding: 0; }
li { list-style: none; }

.container { max-width: var(--maxw); margin: 0 auto; padding: 0 var(--pad); }

/* ==========================================================================
   2. 排版
   ========================================================================== */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--serif);
  font-weight: 400;
  line-height: 1.45;
  letter-spacing: .05em;
  margin: 0 0 .55em;
}

h1 { font-size: clamp(36px, 6vw, 64px); letter-spacing: .12em; }
h2 { font-size: clamp(26px, 4vw, 40px); letter-spacing: .1em; }
h3 { font-size: 20px; letter-spacing: .08em; }

p { margin: 0 0 1em; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  font-size: 12px;
  letter-spacing: .42em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 18px;
}
.eyebrow::before {
  content: "";
  width: 34px;
  height: 1px;
  background: var(--accent);
}

.section { padding: clamp(70px, 9vw, 130px) 0; }
.section--soft { background: var(--bg-soft); }
.section--deep { background: var(--bg-deep); }
.section--dark { background: var(--footer-bg); color: #CFC9BF; }

.section-head { max-width: 560px; margin-bottom: clamp(36px, 5vw, 64px); }
.section-head--center { margin-left: auto; margin-right: auto; text-align: center; }
.section-head--center .eyebrow::before { display: none; }
.section-head p { color: var(--muted); font-size: 14.5px; }
.section-head--dark p { color: #9C968C; }

/* ==========================================================================
   3. 按钮
   ========================================================================== */
.btn {
  display: inline-block;
  padding: 14px 38px;
  border: 1px solid var(--ink);
  font-family: var(--sans);
  font-size: 12.5px;
  letter-spacing: .32em;
  text-transform: uppercase;
  background: transparent;
  color: var(--ink);
  cursor: pointer;
  transition: all .35s var(--ease);
  line-height: 1.4;
}
.btn:hover { background: var(--ink); color: var(--bg); opacity: 1; }

.btn--solid { background: var(--ink); color: var(--bg); }
.btn--solid:hover { background: transparent; color: var(--ink); }

.btn--light { border-color: #CFC9BF; color: #CFC9BF; }
.btn--light:hover { background: #CFC9BF; color: var(--footer-bg); }

.btn--accent { border-color: var(--accent); color: var(--accent); }
.btn--accent:hover { background: var(--accent); color: var(--bg); }

/* ==========================================================================
   4. 顶部公告条 + 导航
   ========================================================================== */
.topbar {
  background: var(--ink);
  color: #CFC9BF;
  text-align: center;
  font-size: 12px;
  letter-spacing: .28em;
  padding: 10px var(--pad);
  text-transform: uppercase;
}
.topbar em { font-style: normal; color: var(--accent-soft); }

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(247, 245, 241, .93);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
  gap: 20px;
}
.site-brand {
  font-family: var(--serif);
  font-size: 22px;
  letter-spacing: .55em;
  padding-left: .55em; /* 视觉居中补偿 */
}
.site-nav ul { display: flex; gap: 36px; }
.site-nav a {
  position: relative;
  font-size: 13px;
  letter-spacing: .22em;
  text-transform: uppercase;
  padding: 6px 0;
}
.site-nav a::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 0; height: 1px;
  background: var(--ink);
  transition: width .35s var(--ease);
}
.site-nav a:hover::after,
.site-nav .current-menu-item > a::after { width: 100%; }

.site-header__tools { display: flex; align-items: center; gap: 22px; font-size: 13px; letter-spacing: .18em; }
.site-header__tools a { display: inline-flex; align-items: center; gap: 6px; }

.nav-toggle {
  display: none;
  background: none;
  border: 0;
  font-size: 22px;
  cursor: pointer;
  color: var(--ink);
  line-height: 1;
}

@media (max-width: 860px) {
  .nav-toggle { display: block; }
  .site-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0; right: 0;
    background: var(--bg);
    border-bottom: 1px solid var(--line);
    padding: 22px var(--pad) 30px;
  }
  .site-nav.is-open { display: block; }
  .site-nav ul { flex-direction: column; gap: 20px; }
  .site-nav a { font-size: 15px; }
}

/* ==========================================================================
   5. Hero
   ========================================================================== */
.hero {
  position: relative;
  padding: clamp(90px, 13vw, 170px) 0;
  text-align: center;
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 50% 0%, var(--bg-deep) 0%, transparent 60%);
  pointer-events: none;
}
.hero .container { position: relative; }
.hero h1 { margin-bottom: 26px; }
.hero .eyebrow { justify-content: center; }
.hero .eyebrow::before { display: none; }
.hero__lead {
  max-width: 540px;
  margin: 0 auto 42px;
  color: var(--muted);
  font-size: 15.5px;
}
.hero__actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

.hero__bag {
  margin: 60px auto 0;
  width: 230px;
  height: 230px;
}
.hero__bag svg { width: 100%; height: 100%; overflow: visible; }
.hero__bag path { stroke-dasharray: 320; stroke-dashoffset: 320; animation: draw 2.4s var(--ease) forwards; }
@keyframes draw { to { stroke-dashoffset: 0; } }

/* ==========================================================================
   6. 分类卡片
   ========================================================================== */
.grid-cats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}
.cat-card {
  position: relative;
  aspect-ratio: 3 / 4;
  background: var(--bg-soft);
  border: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 26px;
  overflow: hidden;
  transition: all .45s var(--ease);
}
.cat-card::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(27, 26, 24, .55), transparent 45%);
  opacity: 0;
  transition: opacity .45s var(--ease);
}
.cat-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.cat-card:hover::after { opacity: 1; }
.cat-card__num {
  position: absolute;
  top: 22px; right: 24px;
  font-family: var(--serif);
  font-size: 13px;
  letter-spacing: .2em;
  color: var(--muted);
  z-index: 1;
}
.cat-card__name {
  font-family: var(--serif);
  font-size: 17px;
  letter-spacing: .35em;
  z-index: 1;
  transition: color .4s var(--ease);
}
.cat-card:hover .cat-card__name { color: var(--white); }
.cat-card__count {
  font-size: 11.5px;
  letter-spacing: .2em;
  color: var(--muted);
  margin-top: 6px;
  z-index: 1;
  transition: color .4s var(--ease);
}
.cat-card:hover .cat-card__count { color: var(--accent-soft); }

@media (max-width: 900px) { .grid-cats { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 520px) { .grid-cats { grid-template-columns: 1fr; } }

/* ==========================================================================
   7. 商品网格 + 卡片
   ========================================================================== */
.grid-products {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px 24px;
}
.grid-products--3 { grid-template-columns: repeat(3, 1fr); }

.product-card { display: block; }
.product-card__img {
  position: relative;
  aspect-ratio: 4 / 5;
  background: var(--bg-soft);
  border: 1px solid var(--line);
  overflow: hidden;
  margin-bottom: 16px;
}
.product-card__img img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform .8s var(--ease);
}
.product-card__img::after {
  content: "查看商品";
  position: absolute;
  left: 50%; bottom: 18px;
  transform: translate(-50%, 14px);
  background: rgba(247, 245, 241, .92);
  font-size: 11.5px;
  letter-spacing: .3em;
  text-transform: uppercase;
  padding: 9px 22px;
  opacity: 0;
  transition: all .45s var(--ease);
}
.product-card:hover .product-card__img img { transform: scale(1.05); }
.product-card:hover .product-card__img::after { opacity: 1; transform: translate(-50%, 0); }

.product-card__name {
  font-family: var(--serif);
  font-size: 15px;
  letter-spacing: .12em;
  margin-bottom: 3px;
}
.product-card__price { font-size: 13px; color: var(--muted); letter-spacing: .08em; }
.product-card__price del { opacity: .55; margin-right: 8px; }
.product-card__price ins { text-decoration: none; color: var(--accent); }

@media (max-width: 1000px) { .grid-products { grid-template-columns: repeat(3, 1fr); } .grid-products--3 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 720px) { .grid-products { grid-template-columns: repeat(2, 1fr); } }

/* ==========================================================================
   8. 品牌故事
   ========================================================================== */
.story {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: clamp(36px, 7vw, 90px);
  align-items: center;
}
.story__media { position: relative; }
.story__img {
  aspect-ratio: 4 / 5;
  background: var(--bg-deep);
  border: 1px solid var(--line);
}
.story__frame {
  position: absolute;
  top: -22px; left: -22px;
  width: 100%; height: 100%;
  border: 1px solid var(--accent-soft);
  z-index: -1;
}
.story__text h2 { margin-bottom: 24px; }
.story__text p { color: var(--muted); margin-bottom: 18px; }
.story__sign {
  font-family: var(--serif);
  letter-spacing: .4em;
  color: var(--accent);
  margin-top: 28px;
  font-size: 14px;
}

@media (max-width: 800px) {
  .story { grid-template-columns: 1fr; }
  .story__frame { display: none; }
}

/* ==========================================================================
   9. 服务保障 / 理念
   ========================================================================== */
.grid-features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(30px, 4vw, 56px);
  border-top: 1px solid var(--line);
  padding-top: clamp(40px, 5vw, 64px);
}
.feature { text-align: center; }
.feature__icon {
  width: 54px; height: 54px;
  margin: 0 auto 20px;
  border: 1px solid var(--line);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--serif);
  font-size: 20px;
  color: var(--accent);
}
.feature h3 { font-size: 16px; letter-spacing: .3em; text-transform: uppercase; margin-bottom: 12px; }
.feature p { color: var(--muted); font-size: 13.5px; }

@media (max-width: 800px) { .grid-features { grid-template-columns: 1fr; gap: 34px; } }

/* ==========================================================================
   10. 最新消息
   ========================================================================== */
.grid-news { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.news-card { display: block; }
.news-card__img {
  aspect-ratio: 16 / 10;
  background: var(--bg-soft);
  border: 1px solid var(--line);
  overflow: hidden;
  margin-bottom: 16px;
}
.news-card__img img { width: 100%; height: 100%; object-fit: cover; transition: transform .8s var(--ease); }
.news-card:hover .news-card__img img { transform: scale(1.05); }
.news-card__date { font-size: 11.5px; letter-spacing: .25em; color: var(--muted); text-transform: uppercase; margin-bottom: 6px; }
.news-card h3 { font-size: 17px; }

@media (max-width: 800px) { .grid-news { grid-template-columns: 1fr; } }

/* ==========================================================================
   11. Instagram 区
   ========================================================================== */
.ig-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 10px;
}
.ig-tile {
  aspect-ratio: 1;
  background: var(--bg-deep);
  border: 1px solid var(--line);
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--serif);
  font-size: 13px;
  letter-spacing: .3em;
  color: var(--muted);
  transition: all .4s var(--ease);
}
.ig-tile:hover { color: var(--ink); border-color: var(--ink); }
@media (max-width: 900px) { .ig-grid { grid-template-columns: repeat(3, 1fr); } }

/* ==========================================================================
   12. 订阅
   ========================================================================== */
.newsletter { text-align: center; }
.newsletter p { color: var(--muted); max-width: 420px; margin: 0 auto; }
.newsletter form {
  display: flex;
  max-width: 480px;
  margin: 34px auto 0;
  border-bottom: 1px solid var(--ink);
}
.newsletter input[type="email"] {
  flex: 1;
  border: 0;
  background: transparent;
  padding: 13px 0;
  font-family: var(--sans);
  font-size: 14px;
  letter-spacing: .1em;
  outline: none;
  color: var(--ink);
}
.newsletter input[type="email"]::placeholder { color: var(--muted); }
.newsletter button {
  border: 0;
  background: none;
  font-family: var(--sans);
  font-size: 12px;
  letter-spacing: .35em;
  text-transform: uppercase;
  cursor: pointer;
  color: var(--ink);
  transition: opacity .3s;
}
.newsletter button:hover { opacity: .6; }

/* ==========================================================================
   13. 页脚
   ========================================================================== */
.site-footer {
  background: var(--footer-bg);
  color: #9C968C;
  font-size: 13px;
  padding: clamp(60px, 8vw, 90px) 0 36px;
}
.site-footer__grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
  gap: 44px;
  margin-bottom: 56px;
}
.site-footer__brand {
  font-family: var(--serif);
  font-size: 24px;
  letter-spacing: .5em;
  color: var(--white);
  margin-bottom: 16px;
}
.site-footer h4 {
  color: var(--white);
  font-size: 12px;
  font-family: var(--sans);
  letter-spacing: .35em;
  text-transform: uppercase;
  margin-bottom: 20px;
}
.site-footer ul { display: grid; gap: 11px; }
.site-footer a { color: #9C968C; }
.site-footer a:hover { color: var(--white); opacity: 1; }
.site-footer__social { display: flex; gap: 14px; margin-top: 22px; }
.site-footer__social a {
  width: 38px; height: 38px;
  border: 1px solid #3A3833;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  letter-spacing: 0;
  transition: all .3s var(--ease);
}
.site-footer__social a:hover { border-color: var(--white); background: var(--white); color: var(--footer-bg); }
.site-footer__pay { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 18px; }
.site-footer__pay span {
  border: 1px solid #3A3833;
  padding: 5px 12px;
  font-size: 10.5px;
  letter-spacing: .15em;
}
.site-footer__copy {
  border-top: 1px solid #2C2A26;
  padding-top: 26px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  color: #6E685F;
  letter-spacing: .12em;
  font-size: 12px;
}

@media (max-width: 860px) { .site-footer__grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 520px) { .site-footer__grid { grid-template-columns: 1fr; } }

/* ==========================================================================
   14. 通用页面
   ========================================================================== */
.page-head {
  padding: clamp(60px, 9vw, 110px) 0 44px;
  border-bottom: 1px solid var(--line);
  margin-bottom: clamp(36px, 5vw, 60px);
}
.page-head h1 { margin-bottom: 10px; }
.page-head__sub { color: var(--muted); max-width: 560px; }

.page-content { padding-bottom: 90px; }
.entry { max-width: 740px; }
.entry h2 { margin-top: 2em; }
.entry p { color: #4A473F; }
.entry img { margin: 26px 0; }
.entry-meta { color: var(--muted); font-size: 13px; margin-bottom: 26px; letter-spacing: .15em; }

.breadcrumb { font-size: 12px; letter-spacing: .2em; color: var(--muted); margin-bottom: 26px; text-transform: uppercase; }
.breadcrumb a { color: var(--muted); }
.breadcrumb a:hover { color: var(--ink); }

/* 分页 */
.pagination { display: flex; justify-content: center; gap: 10px; margin-top: 60px; }
.pagination .page-numbers {
  min-width: 40px; height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line);
  font-size: 13px;
  transition: all .3s var(--ease);
}
.pagination .page-numbers.current,
.pagination .page-numbers:hover { background: var(--ink); color: var(--bg); border-color: var(--ink); opacity: 1; }

/* 404 */
.error-404 { text-align: center; padding: 110px 0 140px; }
.error-404 .big {
  font-family: var(--serif);
  font-size: clamp(80px, 14vw, 150px);
  line-height: 1;
  color: var(--bg-deep);
  margin-bottom: 8px;
}

/* 联系页 */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(32px, 6vw, 80px); }
.contact-info h3 { font-size: 18px; margin-bottom: 10px; }
.contact-info p { color: var(--muted); }
.contact-form label { display: block; font-size: 13px; letter-spacing: .2em; margin: 20px 0 8px; text-transform: uppercase; }
.contact-form input[type="text"],
.contact-form input[type="email"],
.contact-form textarea {
  width: 100%;
  border: 1px solid var(--line);
  background: var(--white);
  padding: 13px 16px;
  font-family: var(--sans);
  font-size: 14px;
  outline: none;
  transition: border-color .3s;
}
.contact-form input:focus, .contact-form textarea:focus { border-color: var(--ink); }
.contact-form textarea { min-height: 140px; resize: vertical; }
@media (max-width: 800px) { .contact-grid { grid-template-columns: 1fr; } }

/* ==========================================================================
   15. WooCommerce 适配
   ========================================================================== */
.woocommerce ul.products {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px 24px;
}
.woocommerce ul.products li.product { width: 100% !important; margin: 0 !important; text-align: left; }
.woocommerce ul.products li.product a img { margin: 0 0 16px; border: 1px solid var(--line); }
.woocommerce ul.products li.product .woocommerce-loop-product__title {
  font-family: var(--serif);
  font-size: 15px;
  font-weight: 400;
  letter-spacing: .12em;
  padding: 0;
}
.woocommerce ul.products li.product .price { color: var(--muted); font-size: 13px; font-weight: 400; }
.woocommerce ul.products li.product .button,
.woocommerce a.button {
  background: transparent !important;
  color: var(--ink) !important;
  border: 1px solid var(--ink);
  border-radius: 0 !important;
  font-size: 12px !important;
  letter-spacing: .25em;
  text-transform: uppercase;
  padding: 12px 26px !important;
  margin-top: 12px !important;
}
.woocommerce ul.products li.product .button:hover,
.woocommerce a.button:hover { background: var(--ink) !important; color: var(--bg) !important; }

.woocommerce div.product .product_title { font-size: 30px; margin-bottom: 12px; }
.woocommerce div.product p.price { color: var(--muted); font-weight: 400; font-size: 18px; }
.woocommerce div.product .woocommerce-product-details__short-description { color: #4A473F; }
.woocommerce div.product form.cart { margin: 26px 0; }
.woocommerce .quantity .qty { border: 1px solid var(--line); border-radius: 0; padding: 10px; width: 80px; }
.woocommerce div.product form.cart .button { margin-top: 0 !important; }

.woocommerce #respond input#submit.alt,
.woocommerce a.button.alt,
.woocommerce button.button.alt {
  background: var(--ink) !important;
  color: var(--bg) !important;
  border-radius: 0 !important;
  letter-spacing: .2em;
  text-transform: uppercase;
  font-size: 13px !important;
}
.woocommerce #respond input#submit.alt:hover,
.woocommerce a.button.alt:hover,
.woocommerce button.button.alt:hover { background: var(--accent) !important; }

.woocommerce-breadcrumb { display: none; }
.woocommerce span.onsale {
  background: var(--accent) !important;
  border-radius: 0 !important;
  line-height: 2.4;
  min-height: auto;
}
.woocommerce div.product .woocommerce-tabs ul.tabs li.active a { color: var(--ink) !important; }
.woocommerce div.product .woocommerce-tabs ul.tabs li a { letter-spacing: .15em; text-transform: uppercase; font-size: 13px; }

@media (max-width: 1000px) { .woocommerce ul.products { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 720px) { .woocommerce ul.products { grid-template-columns: repeat(2, 1fr); } }

/* ==========================================================================
   16. 动效
   ========================================================================== */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity .8s var(--ease), transform .8s var(--ease); }
.reveal.is-visible { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
  .reveal { opacity: 1; transform: none; }
}