/*
 * 习近和平私募银行 - 全局样式
 * 设计稿基准: 750 × 1624 (移动端 2x)
 * 缩放: 1rem = 100px(设计稿),通过 html font-size 自适应屏幕宽度
 */

* { margin: 0; padding: 0; box-sizing: border-box; }

html {
  font-size: calc(100vw / 7.5);   /* 1rem = 设计稿 100px */
  -webkit-text-size-adjust: 100%;
}

@media (min-width: 750px) {
  /* 桌面端预览:固定 1rem = 100px,容器宽 750px 居中 */
  html { font-size: 100px; }
  body { max-width: 7.5rem; margin: 0 auto; box-shadow: 0 0 .2rem rgba(0,0,0,.08); }
}

body {
  font-family: 'Jost', 'Inter', 'PingFang SC', 'Noto Sans SC', 'Hiragino Sans GB',
               'Microsoft YaHei', sans-serif;
  background: #ffffff;
  color: #000;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  position: relative;
}

input,
button {
  font-family: inherit;
  outline: none;
  border: none;
  background: transparent;
  color: inherit;
  -webkit-appearance: none;
          appearance: none;
  border-radius: 0;
}

a { color: inherit; text-decoration: none; }

/* ====================================================
 * 页面容器:高 16.24rem (=1624px),宽 7.5rem (=750px)
 * 内部一律使用绝对定位,坐标与设计稿一致(单位 rem,1rem=100px)
 * ==================================================== */
.page {
  position: relative;
  width: 7.5rem;
  min-height: 16.24rem;
  background: #fff;
  overflow: hidden;
}

/* 顶部背景图(粉红丝绸纹理),30% 透明度 */
.page__top-bg {
  position: absolute;
  left: 0;
  top: 0;
  width: 7.5rem;
  height: 7.29rem;
  background-image: url('../img/top-bg.png');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  opacity: 0.3;
  pointer-events: none;
}

/* 欢迎语 */
.welcome {
  position: absolute;
  left: 0.67rem;
  top: 2.93rem;
  font-size: 0.4rem;            /* 40px */
  line-height: 0.6rem;          /* 60px */
  color: #000;
  font-weight: 400;
  white-space: nowrap;
  letter-spacing: 0;
}
.welcome p { line-height: 0.6rem; }

/* 页面副标题:用户登录 / 用户注册 */
.page__title {
  position: absolute;
  top: 5.08rem;
  left: 0;
  width: 7.5rem;
  text-align: center;
  font-size: 0.32rem;           /* 32px */
  line-height: 0.5rem;          /* 50px */
  color: #000;
  font-weight: 400;
}

/* ====================================================
 * 表单字段
 * 设计稿:每组宽 605, 高 64,下方 600x1 分割线
 * ==================================================== */
.field {
  position: absolute;
  left: 0.72rem;
  width: 6.05rem;
  height: 0.64rem;
}

.field__input {
  display: block;
  width: 100%;
  height: 0.64rem;
  /* 用 padding-bottom 把单行文字钉到输入框顶部,
     底部留 14px 给与分割线之间的留白(对齐设计稿) */
  padding: 0 0 0.14rem 0;
  margin: 0;
  font-size: 0.22rem;           /* 22px */
  line-height: 0.5rem;
  color: #000;
  caret-color: #d21818;
  background: transparent;
  vertical-align: top;
}
.field__input::placeholder {
  color: #9b9898;
  font-size: 0.22rem;
  font-weight: 400;
  opacity: 1;                   /* 防止 Firefox 默认 0.54 透明 */
}

/* 输入框下方分割线:位于字段底部,左侧内缩 5px,宽 600px
   用 top:100% 显式锚定到字段底部,避免任何 ::after bottom 渲染歧义 */
.field::after {
  content: '';
  position: absolute;
  left: 0.05rem;
  top: calc(100% - 1px);
  width: 6rem;
  height: 1px;
  background: #d9d9d9;
  pointer-events: none;
}

/* 手机号字段:带 +86 前缀 + 下拉箭头(仅注册页) */
.field--phone-prefix .field__input {
  padding-left: 1.05rem;        /* 给 +86 ▼ 让位 */
}
.field__phone-prefix {
  position: absolute;
  left: 0;
  top: 0;
  height: 0.5rem;               /* 与 input 文字行同高,与 placeholder 对齐 */
  line-height: 0.5rem;
  display: flex;
  align-items: center;
  font-size: 0.24rem;
  color: #000;
  pointer-events: none;
}
.field__phone-prefix .arrow {
  display: inline-block;
  width: 0.15rem;
  height: 0.09rem;
  margin-left: 0.16rem;
  background: currentColor;
  -webkit-mask: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 15 9'><path d='M0 0 L15 0 L7.5 9 Z' fill='black'/></svg>") no-repeat center / contain;
          mask: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 15 9'><path d='M0 0 L15 0 L7.5 9 Z' fill='black'/></svg>") no-repeat center / contain;
}

/* ====================================================
 * 协议勾选(复选框)
 * 32x32 圆角描边方框 + 内部勾选 ✓
 * 文案 24px, "《用户服务协议》" 红色
 * top 由各页面单独指定(因注册页字段更多需要下移)
 * ==================================================== */
.agreement {
  position: absolute;
  left: 1.77rem;
  width: 4.15rem;
  height: 0.5rem;
  display: flex;
  align-items: center;
  user-select: none;
}
.agreement__checkbox {
  position: relative;
  width: 0.32rem;
  height: 0.32rem;
  border: 0.02rem solid #000;
  border-radius: 0.08rem;
  background: #f5f5f5;
  cursor: pointer;
  flex-shrink: 0;
}
.agreement__checkbox::after {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 28 28'><path d='M5 14.5 L11.5 21 L23 8.5' stroke='black' stroke-width='3' stroke-linecap='round' stroke-linejoin='round' fill='none'/></svg>") no-repeat center / 70% 70%;
  opacity: 0;
  transition: opacity .15s ease;
}
.agreement__checkbox.is-checked::after { opacity: 1; }

.agreement__text {
  margin-left: 0.23rem;
  font-size: 0.24rem;
  line-height: 0.5rem;
  color: #000;
  white-space: nowrap;
  cursor: pointer;
}
.agreement__text .link {
  color: #d21818;
  cursor: pointer;
}

/* ====================================================
 * 主按钮:红色渐变 620x80, radius 16
 * ==================================================== */
.primary-btn {
  position: absolute;
  left: 0.65rem;
  width: 6.2rem;
  height: 0.8rem;
  border-radius: 0.16rem;
  background: linear-gradient(90deg, #d21818 0%, #f34e4e 100%);
  color: #ffffff;
  font-size: 0.26rem;
  line-height: 0.5rem;
  text-align: center;
  letter-spacing: 0.04rem;
  cursor: pointer;
  transition: transform .12s ease, box-shadow .12s ease, opacity .12s ease;
  box-shadow: 0 .08rem .2rem rgba(210, 24, 24, 0.18);
}
.primary-btn:active { transform: scale(.98); }
.primary-btn:disabled {
  opacity: 0.55;
  cursor: not-allowed;
  transform: none;
}

/* ====================================================
 * 各页面字段定位(按设计稿绝对坐标)
 * ==================================================== */

/* 登录页 */
.page--login .field--phone   { top: 6.44rem; }
.page--login .field--pwd     { top: 7.39rem; }
.page--login .field--id      { top: 8.39rem; }
.page--login .agreement      { top: 11.49rem; }
.page--login .primary-btn    { top: 12.31rem; }

/* 注册页(因新增邀请码字段,协议/按钮整体下移 ~0.95rem) */
.page--register .field--phone   { top: 6.18rem; }
.page--register .field--pwd     { top: 7.13rem; }
.page--register .field--confirm { top: 8.06rem; }
.page--register .field--id      { top: 9.08rem; }
.page--register .field--invite  { top: 10.03rem; }
.page--register .agreement      { top: 12.44rem; }
.page--register .primary-btn    { top: 13.24rem; }

/* 注册页比登录页多一行,容器需要相应增高,避免最底部被裁切 */
.page--register { min-height: 17.20rem; }

/* ====================================================
 * 顶部 toast 提示
 * ==================================================== */
.toast {
  position: fixed;
  left: 50%;
  top: 1.2rem;
  transform: translateX(-50%);
  background: rgba(0, 0, 0, 0.78);
  color: #fff;
  font-size: 0.26rem;
  line-height: 1;
  padding: 0.22rem 0.36rem;
  border-radius: 0.12rem;
  z-index: 9999;
  pointer-events: none;
  opacity: 0;
  transition: opacity .25s ease;
  max-width: 6rem;
  text-align: center;
  white-space: normal;
  word-break: break-all;
}
.toast.show { opacity: 1; }

/* ====================================================
 * 底部切换链接(注册/登录互跳)- 设计稿外补充,放在按钮下方
 * 由于设计稿原稿无此元素,使用极克制的次要文字样式
 * ==================================================== */
.switch-link {
  position: absolute;
  left: 0;
  width: 7.5rem;
  text-align: center;
  font-size: 0.22rem;
  line-height: 0.5rem;
  color: #9b9898;
}
.switch-link a { color: #d21818; }

.page--login .switch-link    { top: 13.31rem; }
.page--register .switch-link { top: 14.24rem; }