/* 鲜嗒嗒官网全站样式 —— 自 frontend/website 移植（设计令牌同《设计规范》）。
   营销页原实现是 JSX 内联样式，此处类化；.dl-* 下载落地页样式整块沿用。 */

* { box-sizing: border-box; margin: 0; padding: 0; -webkit-font-smoothing: antialiased; }
html { scroll-behavior: smooth; }
body { font-family: -apple-system, 'PingFang SC', 'Microsoft YaHei', Segoe UI, sans-serif; color: #16241c; background: #fbfaf5; }
a { text-decoration: none; color: inherit; }
/* hidden 必须压过组件自己的 display（.dl-wx 是 flex，否则引导层会一直盖在页面上） */
[hidden] { display: none !important; }
button { font-family: inherit; }
::-webkit-scrollbar { width: 9px; }
::-webkit-scrollbar-thumb { background: #cdd6cb; border-radius: 5px; }
.serif { font-family: 'Noto Serif SC', serif; }

.pad-x { padding-left: 56px; padding-right: 56px; }
.sec-y { padding-top: 96px; padding-bottom: 96px; }
.h1-xl { font-size: 60px; line-height: 1.1; font-weight: 900; letter-spacing: -.01em; }
.h2-lg { font-size: 42px; font-weight: 800; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 28px; }

.btn-primary { height: 54px; display: inline-flex; align-items: center; padding: 0 30px; background: #1f7a4d; color: #fff; border: none; border-radius: 27px; font-size: 16px; font-weight: 600; cursor: pointer; box-shadow: 0 10px 26px rgba(31,122,77,.28); }
.btn-ghost { height: 54px; display: inline-flex; align-items: center; padding: 0 26px; background: transparent; border: 1px solid #c4cdc4; color: #16241c; border-radius: 27px; font-size: 16px; font-weight: 600; }

/* ============ 顶部导航 ============ */
.nav { position: sticky; top: 0; z-index: 30; height: 70px; background: rgba(251,250,245,.88); backdrop-filter: blur(12px); border-bottom: 1px solid #ece9dd; display: flex; align-items: center; }
.nav__brand { display: flex; align-items: center; gap: 12px; }
.nav__brand img { height: 50px; border-radius: 12px; object-fit: cover; }
.nav__company { font-size: 16px; font-weight: 600; color: #16241c; white-space: nowrap; }
.nav__links { flex: 1; display: flex; align-items: center; justify-content: center; gap: 40px; font-size: 15px; }
.nav__links a { color: #3f4a42; }
.nav__actions { margin-left: auto; display: flex; align-items: center; gap: 12px; }
.nav__cta { height: 42px; display: flex; align-items: center; padding: 0 24px; background: #16241c; color: #fff; border-radius: 22px; font-size: 14px; font-weight: 600; }
.nav__burger { display: none; width: 42px; height: 42px; align-items: center; justify-content: center; background: #fff; border: 1px solid #ece9dd; border-radius: 12px; cursor: pointer; padding: 0; }
.nav__drawer { position: absolute; top: 70px; left: 0; right: 0; z-index: 31; background: #fff; border-bottom: 1px solid #ece9dd; box-shadow: 0 14px 30px rgba(16,36,24,.12); padding: 8px 0; display: flex; flex-direction: column; }
.nav__drawer a { padding: 14px 24px; font-size: 16px; color: #3f4a42; border-bottom: 1px solid #fbfaf5; }

/* ============ Hero ============ */
.hero { position: relative; overflow: hidden; background: radial-gradient(120% 90% at 80% 0%, #e8f3ea 0%, #fbfaf5 55%); }
.hero__inner { display: flex; align-items: center; max-width: 1200px; margin: 0 auto; padding-top: 92px; padding-bottom: 104px; gap: 48px; }
.hero__copy { flex: 1; }
.hero__badge { display: inline-flex; align-items: center; gap: 8px; background: #fff; border: 1px solid #d4e7d9; border-radius: 20px; padding: 8px 16px; font-size: 13px; color: #13593a; margin-bottom: 28px; box-shadow: 0 2px 10px rgba(20,60,40,.05); }
.hero__copy h1 span { color: #1f7a4d; }
.hero__lead { font-size: 19px; color: #54605a; line-height: 1.75; margin: 28px 0 38px; max-width: 510px; }
.hero__actions { display: flex; gap: 14px; align-items: center; }
.hero__stats { display: flex; gap: 44px; margin-top: 50px; }
.hero__num { font-size: 34px; font-weight: 800; color: #1f7a4d; }
.hero__label { font-size: 13px; color: #7a8378; margin-top: 4px; }

/* 手机样机（纯装饰） */
.hero__phone { flex: none; width: 300px; display: flex; justify-content: center; }
.phone { width: 272px; height: 548px; border-radius: 44px; background: #16241c; padding: 11px; box-shadow: 0 36px 80px rgba(16,36,24,.32); animation: floaty 5.5s ease-in-out infinite; }
.phone__screen { width: 100%; height: 100%; border-radius: 34px; background: #f3f2ec; overflow: hidden; display: flex; flex-direction: column; }
.phone__head { flex: none; background: linear-gradient(160deg, #1aa05a, #15894c); padding: 20px 16px 16px; color: #fff; }
.phone__status { display: flex; align-items: center; justify-content: space-between; font-size: 11px; font-weight: 600; margin-bottom: 11px; }
.phone__sig { font-size: 9px; }
.phone__brand { display: flex; align-items: center; gap: 7px; margin-bottom: 13px; }
.phone__brand img { width: 22px; height: 22px; border-radius: 7px; object-fit: cover; }
.phone__brand b { font-size: 15px; font-weight: 800; }
.phone__brand i { font-style: normal; font-size: 9px; opacity: .8; border-left: 1px solid rgba(255,255,255,.4); padding-left: 7px; }
.phone__market { display: flex; align-items: center; justify-content: space-between; margin-bottom: 13px; }
.phone__market small { display: block; font-size: 9px; opacity: .8; margin-bottom: 2px; }
.phone__market b { font-size: 15px; font-weight: 700; }
.phone__search { background: #fff; border-radius: 18px; height: 36px; display: flex; align-items: center; padding: 0 6px 0 13px; gap: 7px; }
.phone__q { flex: 1; font-size: 11px; color: #a3a89e; }
.phone__go { height: 26px; display: flex; align-items: center; padding: 0 12px; background: #1aa05a; color: #fff; font-size: 11px; font-weight: 600; border-radius: 14px; }
.phone__body { flex: 1; overflow: hidden; padding: 14px 14px 0; }
.phone__cats { background: #fff; border-radius: 15px; padding: 14px 4px 10px; box-shadow: 0 3px 12px rgba(20,40,28,.05); display: grid; grid-template-columns: repeat(5, 1fr); gap: 12px 0; }
.phone__cats > div { display: flex; flex-direction: column; align-items: center; gap: 5px; }
.phone__cats span { width: 38px; height: 38px; border-radius: 12px; display: flex; align-items: center; justify-content: center; font-size: 18px; }
.phone__cats em { font-style: normal; font-size: 10px; color: #3f4a42; }
.phone__signin { margin-top: 12px; border-radius: 14px; background: linear-gradient(110deg, #eafaef, #d3eedd); padding: 11px 13px; display: flex; align-items: center; gap: 10px; }
.phone__signin > span { width: 34px; height: 34px; border-radius: 10px; background: #fff; display: flex; align-items: center; justify-content: center; font-size: 17px; }
.phone__signin > div { flex: 1; }
.phone__signin b { display: block; font-size: 12px; font-weight: 700; color: #157d44; }
.phone__signin small { font-size: 9px; color: #5a9e74; margin-top: 2px; }
.phone__signin i { font-style: normal; background: #1aa05a; color: #fff; font-size: 11px; font-weight: 600; border-radius: 14px; padding: 6px 13px; }
.phone__promos { display: flex; gap: 9px; margin-top: 11px; }
.phone__promo { flex: 1; border-radius: 14px; padding: 12px; }
.phone__promo b { display: block; font-size: 12px; font-weight: 700; }
.phone__promo small { display: block; font-size: 9px; margin-top: 3px; }
.phone__promo i { display: inline-block; font-style: normal; margin-top: 9px; color: #fff; font-size: 10px; font-weight: 600; border-radius: 12px; padding: 4px 10px; }
.phone__promo--group { background: linear-gradient(120deg, #fff1e6, #ffe0c9); }
.phone__promo--group b { color: #b8470f; }
.phone__promo--group small { color: #c9763f; }
.phone__promo--group i { background: #f0792b; }
.phone__promo--flash { background: linear-gradient(120deg, #fde8e8, #f9d4d4); }
.phone__promo--flash b { color: #c0392b; }
.phone__promo--flash small { color: #cf6b5e; }
.phone__promo--flash i { background: #c0392b; }
@keyframes floaty { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-14px); } }

/* ============ 通用区块头 ============ */
.sec { max-width: 1200px; margin: 0 auto; }
.sec__head { text-align: center; margin-bottom: 60px; }
.sec__kicker { font-size: 13px; font-weight: 700; color: #1f7a4d; letter-spacing: .16em; }
.sec__kicker--mint { color: #7fd6a3; }
.sec__head h2 { margin-top: 14px; }
.sec__lead { font-size: 16px; color: #7a8378; margin-top: 14px; max-width: 680px; margin-left: auto; margin-right: auto; line-height: 1.7; }
.sec__lead--left { margin-left: 0; margin-right: 0; max-width: 480px; margin-bottom: 28px; }

/* ============ 平台理念 ============ */
.pillar { background: #fff; border: 1px solid #ece9dd; border-radius: 22px; padding: 34px 30px; display: flex; flex-direction: column; }
.pillar__icon { width: 58px; height: 58px; border-radius: 16px; display: flex; align-items: center; justify-content: center; margin-bottom: 22px; }
.pillar__role { font-size: 13px; font-weight: 700; letter-spacing: .08em; }
.pillar__title { font-size: 24px; font-weight: 800; margin: 8px 0 10px; }
.pillar__pain { font-size: 14px; color: #7a8378; line-height: 1.7; margin-bottom: 20px; }
.pillar__points { display: flex; flex-direction: column; gap: 12px; margin-top: auto; }
.pillar__point { display: flex; gap: 10px; align-items: flex-start; font-size: 14px; color: #3f4a42; line-height: 1.5; }
.pillar__check { width: 20px; height: 20px; border-radius: 50%; display: flex; align-items: center; justify-content: center; flex: none; margin-top: 1px; }

/* ============ 健康饮食 ============ */
.health { background: linear-gradient(160deg, #eef5ec, #fbfaf5); }
.health__inner { max-width: 1200px; margin: 0 auto; display: flex; align-items: center; gap: 56px; flex-wrap: wrap; }
.health__copy { flex: 1; min-width: 340px; }
.health__copy h2 { margin: 14px 0 18px; line-height: 1.2; font-size: 40px; }
.health__points { display: flex; flex-direction: column; gap: 16px; }
.health__point { display: flex; gap: 14px; align-items: flex-start; }
.health__picon { width: 38px; height: 38px; border-radius: 11px; background: #fff; border: 1px solid #d4e7d9; display: flex; align-items: center; justify-content: center; flex: none; }
.health__point b { font-size: 16px; font-weight: 700; }
.health__point p { font-size: 14px; color: #7a8378; line-height: 1.6; margin-top: 3px; }
.health__card { flex: none; width: 360px; }
.hcard { background: #fff; border-radius: 22px; padding: 24px; box-shadow: 0 20px 50px rgba(20,60,40,.1); border: 1px solid #ece9dd; }
.hcard__head { display: flex; align-items: center; gap: 12px; padding-bottom: 18px; border-bottom: 1px solid #f0efe6; }
.hcard__avatar { width: 44px; height: 44px; border-radius: 50%; background: #eef5ec; display: flex; align-items: center; justify-content: center; font-size: 20px; }
.hcard__head b { font-size: 15px; font-weight: 700; display: block; }
.hcard__head small { font-size: 12px; color: #7a8378; margin-top: 2px; }
.hcard__items { margin-top: 16px; display: flex; flex-direction: column; gap: 12px; }
.hcard__item { display: flex; gap: 12px; align-items: center; border: 1px solid; border-radius: 13px; padding: 12px; }
.hcard__tile { width: 40px; height: 40px; border-radius: 9px; flex: none; }
.hcard__item b { font-size: 14px; font-weight: 600; display: block; }
.hcard__item small { font-size: 12px; margin-top: 2px; display: block; }

/* ============ 运作方式（深色） ============ */
.flow { background: #16241c; color: #fff; }
.flow__inner { max-width: 1200px; margin: 0 auto; }
.flow .sec__head { margin-bottom: 62px; }
.flow__n { font-size: 18px; color: #7fd6a3; font-weight: 700; }
.flow__icon { width: 56px; height: 56px; border-radius: 16px; background: rgba(127,214,163,.12); border: 1px solid rgba(127,214,163,.25); display: flex; align-items: center; justify-content: center; margin: 16px 0; }
.flow__step b { font-size: 18px; font-weight: 700; }
.flow__step p { font-size: 14px; color: #9fb0a5; line-height: 1.7; margin-top: 8px; }

/* ============ 下载横幅 ============ */
.dlcta { max-width: 1200px; margin: 0 auto; }
.dlcta__card { background: linear-gradient(135deg, #1f7a4d, #13593a); border-radius: 30px; padding: 58px; display: flex; align-items: center; gap: 48px; flex-wrap: wrap; }
.dlcta__copy { flex: 1; min-width: 320px; color: #fff; }
.dlcta__copy h2 { font-size: 40px; line-height: 1.2; }
.dlcta__copy p { font-size: 16px; color: #cfe7d6; line-height: 1.75; margin: 20px 0 0; max-width: 400px; }
.dlcta__go { flex: none; }
.dlcta__btn { display: inline-flex; align-items: center; gap: 8px; background: #fff; color: #1f7a4d; border-radius: 27px; padding: 15px 30px; font-size: 16px; font-weight: 700; box-shadow: 0 12px 28px rgba(0,0,0,.16); }

/* ============ 市场入驻 ============ */
.market { max-width: 1200px; margin: 0 auto; padding-top: 40px; }
.market__row { display: flex; gap: 48px; align-items: center; flex-wrap: wrap; }
.market__copy { flex: 1; min-width: 340px; }
.market__copy h2 { margin: 14px 0 18px; line-height: 1.2; font-size: 38px; }
.market__benefits { display: flex; flex-direction: column; gap: 13px; margin-bottom: 30px; }
.market__benefit { display: flex; align-items: center; gap: 12px; font-size: 15px; color: #3f4a42; }
.market__check { width: 28px; height: 28px; border-radius: 50%; background: #eef5ec; display: flex; align-items: center; justify-content: center; flex: none; }
.market__flowcard { flex: none; width: 390px; background: #fff; border: 1px solid #ece9dd; border-radius: 22px; padding: 32px; box-shadow: 0 16px 44px rgba(20,60,40,.07); }
.market__ftitle { font-size: 20px; font-weight: 800; margin-bottom: 6px; }
.market__fsub { font-size: 13px; color: #7a8378; margin-bottom: 24px; }
.market__step { display: flex; gap: 14px; }
.market__rail { display: flex; flex-direction: column; align-items: center; }
.market__dot { width: 30px; height: 30px; border-radius: 50%; background: #1f7a4d; color: #fff; display: flex; align-items: center; justify-content: center; font-size: 13px; font-weight: 700; flex: none; }
.market__line { width: 2px; flex: 1; background: #1f7a4d; min-height: 24px; }
.market__stext { padding-bottom: 18px; }
.market__stext b { font-size: 15px; font-weight: 700; display: block; }
.market__stext small { font-size: 13px; color: #7a8378; margin-top: 3px; display: block; }

/* ============ 商家入驻 ============ */
.join { background: #eef5ec; padding-top: 74px; padding-bottom: 74px; }
.join__inner { max-width: 1200px; margin: 0 auto; display: flex; align-items: center; justify-content: space-between; gap: 40px; flex-wrap: wrap; }
.join__inner h2 { font-size: 32px; }
.join__inner p { font-size: 15px; color: #54605a; margin-top: 12px; }
.join__btns { display: flex; gap: 14px; }
.join__btns .btn-primary { height: 52px; }
.join__hotline { height: 52px; display: inline-flex; align-items: center; padding: 0 28px; background: #fff; border: 1px solid #cdeed7; color: #13593a; border-radius: 26px; font-size: 15px; font-weight: 600; cursor: pointer; }

/* ============ 页脚 ============ */
.foot { background: #16241c; color: #9fb0a5; padding-top: 56px; padding-bottom: 32px; }
.foot__cols { max-width: 1200px; margin: 0 auto; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 34px; }
.foot__brand { max-width: 300px; }
.foot__logo { display: flex; align-items: center; gap: 9px; font-size: 20px; font-weight: 800; color: #fff; }
.foot__logo img { width: 34px; height: 34px; border-radius: 9px; object-fit: cover; }
.foot__brand p { font-size: 13px; line-height: 1.7; margin-top: 14px; }
.foot__brand > a { display: inline-block; font-size: 13px; margin-top: 12px; color: #1f7a4d; }
.foot__title { font-size: 14px; font-weight: 600; color: #fff; margin-bottom: 14px; }
.foot__col a { display: block; font-size: 13px; margin-bottom: 10px; color: #9fb0a5; }
.foot__legal { max-width: 1200px; margin: 34px auto 0; padding-top: 22px; border-top: 1px solid rgba(255,255,255,.1); font-size: 12px; color: #6b7d70; }
.foot__legal a { white-space: nowrap; }
.foot__legal a:hover { text-decoration: underline; }

/* ============ 子页壳 / 法律页 / 联系我们 / 商品落地页 / 404 ============ */
.sub__head { background: #16241c; padding-top: 56px; padding-bottom: 48px; }
.sub__head-inner { max-width: 1200px; margin: 0 auto; }
.sub__back { font-size: 13px; color: #9fb0a5; }
.sub__head h1 { font-size: 34px; font-weight: 800; color: #fff; margin-top: 14px; }
.sub__head p { font-size: 14px; color: #9fb0a5; margin-top: 10px; line-height: 1.7; }
.sub__body { background: #fbfaf5; padding-top: 48px; padding-bottom: 72px; }
.sub__narrow { max-width: 820px; margin: 0 auto; }

.legal-notice { background: #eafaef; border: 1px solid #d4e7d9; border-radius: 8px; padding: 12px 16px; margin-bottom: 20px; font-size: 13px; line-height: 1.8; color: #54605a; }
.legal-intro { font-size: 15px; line-height: 1.9; color: #3f4a42; margin-bottom: 8px; }
.legal-sec { margin-top: 32px; }
.legal-sec h2 { font-size: 18px; font-weight: 700; color: #16241c; margin-bottom: 12px; }
.legal-sec p { font-size: 14px; line-height: 1.9; color: #3f4a42; margin-bottom: 10px; }
/* 后台可编辑的协议正文（HTML 片段） */
.legal-html { font-size: 14px; line-height: 1.9; color: #3f4a42; }
.legal-html h1, .legal-html h2, .legal-html h3 { font-size: 18px; font-weight: 700; color: #16241c; line-height: 1.6; margin: 32px 0 12px; }
.legal-html > :first-child { margin-top: 0; }
.legal-html p { margin-bottom: 10px; }
.legal-html ul, .legal-html ol { margin: 0 0 10px 22px; }
.legal-html li { margin-bottom: 6px; }
.legal-html a { color: #1f7a4d; text-decoration: underline; }
.legal-html img { max-width: 100%; height: auto; }
.legal-html table { width: 100%; border-collapse: collapse; margin-bottom: 12px; }
.legal-html th, .legal-html td { border: 1px solid #ece9dd; padding: 8px 10px; text-align: left; }

.contact__grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 16px; }
.contact__card { background: #fff; border: 1px solid #ece9dd; border-radius: 14px; padding: 22px 24px; }
.contact__icon { font-size: 26px; }
.contact__label { font-size: 13px; color: #7a8378; margin-top: 12px; }
.contact__value { font-size: 16px; font-weight: 600; color: #1f7a4d; margin-top: 4px; display: inline-block; }
.contact__value--plain { color: #16241c; }
.contact__note { font-size: 13px; line-height: 1.8; color: #7a8378; margin-top: 28px; }

.product__wxhint { background: #fff7e6; border: 1px solid #e8a23a; color: #d46b08; border-radius: 12px; padding: 12px 16px; font-size: 13px; line-height: 1.6; margin-bottom: 20px; }
.product__card { display: flex; gap: 14px; align-items: center; background: #fff; border: 1px solid #ece9dd; border-radius: 14px; padding: 14px; margin-bottom: 20px; }
.product__img { width: 96px; height: 96px; flex-shrink: 0; border-radius: 10px; overflow: hidden; background: #f3f2ec; display: flex; align-items: center; justify-content: center; font-size: 34px; }
.product__img img { width: 100%; height: 100%; object-fit: cover; }
.product__info { min-width: 0; flex: 1; }
.product__name { font-size: 17px; font-weight: 700; color: #16241c; margin-bottom: 6px; word-break: break-all; }
.product__price { font-size: 20px; font-weight: 800; color: #f0792b; }
.product__price span { font-size: 13px; font-weight: 400; color: #8a8f85; }
.product__merchant { font-size: 12px; color: #8a8f85; margin-top: 6px; }
.product__gone { color: #8a8f85; font-size: 14px; line-height: 1.7; margin-bottom: 20px; }
.product__cta { display: block; text-align: center; background: #1f7a4d; color: #fff; border-radius: 24px; padding: 13px 0; font-size: 15px; font-weight: 600; }

.nf { max-width: 1200px; margin: 0 auto; text-align: center; padding-top: 110px; padding-bottom: 130px; }
.nf__code { font-size: 88px; font-weight: 900; color: #1f7a4d; }
.nf__text { font-size: 16px; color: #54605a; margin: 16px 0 30px; }

/* ============ 弹窗 / Toast ============ */
.modal { position: fixed; inset: 0; z-index: 40; }
.modal__mask { position: absolute; inset: 0; background: rgba(16,36,24,.5); }
.modal__box { position: relative; width: 480px; max-width: calc(100% - 48px); margin: 8vh auto 0; background: #fff; border-radius: 18px; overflow: hidden; }
.modal__head { background: linear-gradient(135deg, #16241c, #1d3a28); padding: 26px 28px; color: #fff; }
.modal__head > div { font-size: 21px; font-weight: 800; }
.modal__head small { display: block; font-size: 13px; color: #9fb0a5; margin-top: 6px; }
.modal__body { padding: 24px 28px; display: flex; flex-direction: column; gap: 15px; }
.modal__body label { display: flex; flex-direction: column; gap: 7px; font-size: 13px; color: #54605a; }
.modal__body input { height: 42px; border: 1px solid #d4d8cd; border-radius: 10px; padding: 0 14px; font-size: 14px; outline: none; color: #16241c; font-family: inherit; }
.modal__foot { padding: 0 28px 26px; display: flex; gap: 12px; }
.modal__cancel { flex: 1; height: 46px; border: 1px solid #d4d8cd; background: #fff; border-radius: 23px; font-size: 15px; cursor: pointer; color: #3f4a42; }
.modal__submit { flex: 2; height: 46px; border: none; background: #1f7a4d; color: #fff; border-radius: 23px; font-size: 15px; font-weight: 600; cursor: pointer; }

.toast { position: fixed; bottom: 40px; left: 50%; transform: translateX(-50%); background: rgba(16,36,24,.92); color: #fff; font-size: 14px; padding: 11px 22px; border-radius: 22px; z-index: 50; animation: toast-in .22s ease; }
@keyframes toast-in { from { opacity: 0; transform: translate(-50%, 12px); } to { opacity: 1; transform: translate(-50%, 0); } }

/* ============ 下载落地页 /download（.dl-* 前缀，移动端优先） ============ */
.dl-page {
  --dl-green-deep: #15894c; --dl-green-mint: #7fd6a3;
  --dl-ink: #16241c; --dl-ink-soft: #1d3a28; --dl-muted: #7a8378; --dl-faint: #8a8f85;
  --dl-card: #fff; --dl-line: #ece9dd; --dl-line-strong: #d4d8cd;
  --dl-on-dark: #fff; --dl-on-dark-muted: #9fb0a5;
  --dl-on-dark-line: rgba(255,255,255,.16); --dl-on-dark-fill: rgba(255,255,255,.07);
  min-height: 100vh; display: flex; flex-direction: column; background: #fbfaf5;
}
.dl-head { background: linear-gradient(180deg, var(--dl-ink-soft) 0%, var(--dl-ink) 72%); color: var(--dl-on-dark); padding: 0 20px 30px; }
.dl-topbar { max-width: 62rem; margin: 0 auto; padding: 14px 0 18px; }
.dl-topbar__brand { display: inline-flex; align-items: center; gap: 8px; font-size: 15px; font-weight: 700; color: var(--dl-on-dark); }
.dl-topbar__brand img { width: 24px; height: 24px; border-radius: 7px; object-fit: cover; }
.dl-hero { max-width: 34rem; margin: 0 auto; display: flex; flex-direction: column; align-items: center; text-align: center; }
.dl-hero__icon { flex: none; width: 5.25rem; height: 5.25rem; border-radius: 1.3rem; background: #fff; object-fit: cover; border: 1px solid var(--dl-on-dark-line); box-shadow: 0 16px 34px rgba(0,0,0,.3); }
.dl-hero__name { font-size: 28px; font-weight: 800; line-height: 1.25; color: var(--dl-on-dark); margin-top: 14px; }
.dl-hero__tagline { font-size: 14px; line-height: 1.7; color: var(--dl-on-dark-muted); margin-top: 8px; }
.dl-facts { list-style: none; display: flex; flex-wrap: wrap; justify-content: center; gap: 2px 10px; margin-top: 12px; font-size: 12px; color: var(--dl-on-dark-muted); }
.dl-facts li:not(:last-child)::after { content: '·'; margin-left: 10px; opacity: .55; }
.dl-invite { width: 100%; text-align: left; background: rgba(127,214,163,.12); border: 1px solid rgba(127,214,163,.38); border-radius: 12px; padding: 14px 16px; display: flex; align-items: center; flex-wrap: wrap; gap: 12px; margin-bottom: 16px; }
.dl-invite__text { flex: 1 1 13rem; min-width: 0; }
.dl-invite__title { font-size: 13px; font-weight: 600; color: var(--dl-green-mint); }
.dl-invite__hint { font-size: 12px; color: var(--dl-on-dark-muted); line-height: 1.6; margin-top: 4px; }
.dl-invite__actions { display: flex; align-items: center; gap: 8px; }
.dl-invite__code { font-size: 20px; font-weight: 800; letter-spacing: 3px; color: var(--dl-on-dark); font-family: ui-monospace, SFMono-Regular, Menlo, monospace; }
.dl-invite__copy { border: 1px solid var(--dl-green-mint); background: transparent; color: var(--dl-green-mint); border-radius: 16px; padding: 5px 14px; font-size: 12px; cursor: pointer; }
.dl-invite__copy.is-copied { background: var(--dl-green-mint); color: var(--dl-ink); }
.dl-actions { width: 100%; max-width: 22rem; margin-top: 20px; display: flex; flex-direction: column; gap: 10px; }
.dl-btn { display: flex; align-items: center; justify-content: center; gap: 10px; width: 100%; padding: 15px 20px; border: 1px solid transparent; border-radius: 26px; font-size: 17px; font-weight: 600; cursor: pointer; text-decoration: none; transition: background .18s ease, border-color .18s ease, color .18s ease; }
.dl-btn__icon { width: 20px; height: 20px; flex: 0 0 auto; display: block; }
.dl-btn__label { min-width: 0; }
.dl-btn__sub { display: block; font-size: 12px; font-weight: 400; opacity: .85; margin-top: 2px; }
.dl-btn--primary { background: var(--dl-green-deep); color: #fff; box-shadow: 0 12px 26px rgba(21,137,76,.32); }
.dl-btn--primary:hover:not(:disabled) { background: #1aa05a; }
.dl-btn--secondary { background: var(--dl-on-dark-fill); color: var(--dl-on-dark); border-color: var(--dl-on-dark-line); }
.dl-btn--secondary:hover:not(:disabled) { border-color: var(--dl-green-mint); color: var(--dl-green-mint); }
.dl-btn--off { background: rgba(255,255,255,.05); color: rgba(255,255,255,.4); border-color: rgba(255,255,255,.12); box-shadow: none; cursor: not-allowed; }
.dl-note { max-width: 22rem; margin-top: 12px; padding: 10px 14px; border-radius: 12px; background: rgba(255,213,145,.14); border: 1px solid rgba(255,213,145,.34); font-size: 13px; line-height: 1.7; color: #ffd591; text-align: left; }
.dl-content { flex: 1; padding: 22px 20px 34px; }
.dl-changelog { max-width: 34rem; margin: 0 auto; background: var(--dl-card); border: 1px solid var(--dl-line); border-radius: 14px; padding: 14px 16px; }
.dl-changelog__title { font-size: 13px; font-weight: 600; color: var(--dl-ink); margin-bottom: 8px; }
.dl-changelog__body { font-size: 13px; line-height: 1.8; color: var(--dl-muted); white-space: pre-line; }
.dl-features { list-style: none; display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; margin-top: 20px; }
.dl-features li { background: var(--dl-on-dark-fill); border: 1px solid var(--dl-on-dark-line); border-radius: 999px; padding: 6px 14px; font-size: 12px; color: var(--dl-on-dark-muted); }

/* 桌面端 hero 内的扫码卡（手机端不渲染） */
.dl-qr { margin-top: 22px; background: var(--dl-card); border-radius: 18px; padding: 16px 16px 14px; text-align: center; box-shadow: 0 16px 34px rgba(0,0,0,.28); }
.dl-qr__frame { width: 11rem; height: 11rem; margin: 0 auto; }
.dl-qr__img { display: block; width: 100%; height: 100%; border-radius: 8px; }
.dl-qr__title { font-size: 15px; font-weight: 700; color: var(--dl-ink); margin-top: 10px; }
.dl-qr__hint { font-size: 12px; line-height: 1.6; color: var(--dl-faint); margin-top: 3px; }

/* iOS 渠道链接：归因上报期间的跳转遮罩 */
.dl-jump { position: fixed; inset: 0; z-index: 45; background: var(--dl-ink); color: var(--dl-on-dark); display: flex; align-items: center; justify-content: center; padding: 24px; }
.dl-jump__panel { text-align: center; }
.dl-jump__spinner { display: block; width: 30px; height: 30px; margin: 0 auto; border: 3px solid rgba(255,255,255,.2); border-top-color: var(--dl-green-mint); border-radius: 50%; animation: dl-spin .8s linear infinite; }
.dl-jump__text { font-size: 15px; margin-top: 14px; }
.dl-jump__link { display: inline-block; margin-top: 16px; font-size: 14px; color: var(--dl-green-mint); text-decoration: underline; }
@keyframes dl-spin { to { transform: rotate(360deg); } }
.dl-foot { border-top: 1px solid var(--dl-line); padding: 16px 20px 24px; text-align: center; }
.dl-foot__links { display: flex; flex-wrap: wrap; justify-content: center; gap: 6px 18px; font-size: 12px; color: var(--dl-muted); }
.dl-foot__links a:hover { color: #1f7a4d; }
.dl-foot__legal { margin-top: 10px; font-size: 12px; line-height: 1.7; color: var(--dl-faint); }
.dl-foot__legal a { white-space: nowrap; }
.dl-foot__legal a:hover { text-decoration: underline; }

/* 微信内点安卓下载后的引导层（仅此时出现，不常驻） */
.dl-wx { position: fixed; inset: 0; z-index: 40; background: rgba(10,18,13,.82); display: flex; flex-direction: column; justify-content: flex-end; padding: 16px; animation: dl-wx-in .18s ease-out; }
.dl-wx__arrow { position: absolute; top: 8px; right: 14px; width: 40px; height: 48px; color: #ffd591; animation: dl-wx-bounce 1.2s ease-in-out infinite; }
.dl-wx__panel { background: var(--dl-card); border-radius: 18px; padding: 20px; max-width: 26rem; width: 100%; margin: 0 auto; }
.dl-wx__title { font-size: 17px; font-weight: 700; color: var(--dl-ink); }
.dl-wx__steps { margin: 12px 0 18px; padding-left: 20px; font-size: 14px; line-height: 1.9; color: var(--dl-muted); }
.dl-wx__copy, .dl-wx__close { display: block; width: 100%; border-radius: 24px; padding: 13px 18px; font-size: 15px; font-weight: 600; cursor: pointer; }
.dl-wx__copy { background: var(--dl-green-deep); border: 1px solid transparent; color: #fff; }
.dl-wx__close { margin-top: 8px; background: transparent; border: 1px solid var(--dl-line-strong); color: var(--dl-muted); }
.dl-wx__store { display: block; margin-top: 8px; padding: 13px 18px; border-radius: 24px; border: 1px solid var(--dl-line-strong); font-size: 15px; font-weight: 600; color: var(--dl-ink); text-align: center; }
@keyframes dl-wx-in { from { opacity: 0; } to { opacity: 1; } }
@keyframes dl-wx-bounce { 0%, 100% { transform: translate(0, 0); } 50% { transform: translate(3px, -5px); } }
@media (prefers-reduced-motion: reduce) { .dl-wx, .dl-wx__arrow, .dl-jump__spinner, .phone { animation: none; } }
@media (min-width: 640px) { .dl-wx { justify-content: center; } }

/* 桌面：下载页 hero 放大 + 双列 + 扫码卡 */
@media (min-width: 860px) {
  .dl-head { padding: 0 40px 48px; }
  .dl-topbar { padding: 20px 0 30px; }
  .dl-hero__icon { width: 7.5rem; height: 7.5rem; border-radius: 1.8rem; }
  .dl-hero__name { font-size: 38px; margin-top: 20px; }
  .dl-hero__tagline { font-size: 16px; }
  .dl-facts { font-size: 13px; }
  .dl-actions { flex-direction: row; max-width: 30rem; gap: 12px; margin-top: 24px; }
  .dl-actions > .dl-btn { flex: 1 1 0; }
  .dl-note { max-width: 30rem; text-align: center; }
  .dl-content { padding: 30px 40px 44px; }
  .dl-foot { padding: 20px 40px 28px; }
}

/* ============ 响应式（营销页） ============ */
@media (max-width: 900px) {
  .nav__links { display: none; }
  .nav__burger { display: inline-flex; }
  .nav__company { display: none; }
  .row-wrap { flex-direction: column; align-items: stretch; }
  .pad-x { padding-left: 20px; padding-right: 20px; }
  .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .sec-y { padding-top: 60px; padding-bottom: 60px; }
  .hero__inner { padding-top: 52px; padding-bottom: 64px; }
  .hero__phone { margin: 8px auto 0; }
  .h1-xl { font-size: 40px; }
  .h2-lg { font-size: 30px; }
  .health__card, .market__flowcard { width: 100%; flex: 1 1 auto; min-width: 0; }
  .dlcta__card { padding: 36px; }
}
@media (max-width: 480px) {
  .pad-x { padding-left: 16px; padding-right: 16px; }
  .h1-xl { font-size: 32px; }
  .h2-lg { font-size: 25px; }
  .dlcta__card { padding: 26px 20px; }
  .hero__stats { gap: 22px; }
  .join__btns { width: 100%; }
  .join__btns > * { flex: 1 1 auto; justify-content: center; }
}