* { box-sizing: border-box; }
[hidden] { display: none !important; }
html, body { margin: 0; }
body {
    min-height: 100vh;
    color: #222;
    font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    background: linear-gradient(180deg, #f7fbff 0%, #e3f3ff 42%, #bee4ff 100%);
}
.page { padding: 14px 10px 36px; }
.card {
    position: relative;
    max-width: 760px;
    margin: 0 auto;
    background: #fff;
    padding: 22px 16px 28px;
    box-shadow: 0 8px 28px rgba(0, 102, 170, 0.08);
}
h1 {
    margin: 2px 0 0;
    font-size: 22px;
    line-height: 1.35;
    font-weight: 700;
}
.banner {
    display: block;
    width: 100%;
    height: auto;
    margin: 14px 0 12px;
}
.desc { font-size: 15px; line-height: 1.75; color: #333; }
.desc p { margin: 0 0 8px; }
.desc a { color: #0095ff; text-decoration: none; }
.dash {
    margin: 16px 0 18px;
    border-top: 1px dashed #e4e4e4;
}
.q { display: block; margin: 0 0 18px; }
.q-title {
    display: block;
    margin-bottom: 8px;
    font-size: 16px;
    color: #111;
}
.q-title i {
    color: #ff4040;
    font-style: normal;
    margin-right: 2px;
}
input[type="text"], input[type="tel"], select {
    display: block;
    width: 100%;
    height: 44px;
    padding: 0 12px;
    border: 1px solid #e3e3e3;
    border-radius: 2px;
    background: #fff;
    color: #222;
    font: 16px/1.4 "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    outline: none;
}
select {
    appearance: none;
    background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'><path fill='%23999' d='M1 1l5 5 5-5'/></svg>");
    background-repeat: no-repeat;
    background-position: right 12px center;
    background-size: 12px 8px;
}
select.placeholder { color: #b0b0b0; }
input:focus, select:focus { border-color: #0095ff; }
input.bad, select.bad { border-color: #ff4d4f; }
.err, .form-err {
    display: block;
    min-height: 0;
    margin-top: 4px;
    color: #ff4d4f;
    font-size: 13px;
}
.form-err:empty { display: none; }
.hp {
    position: absolute;
    left: -10000px;
    width: 1px;
    height: 1px;
    overflow: hidden;
}
.submit {
    display: block;
    margin: 8px auto 2px;
    min-width: 148px;
    height: 40px;
    padding: 0 28px;
    border: 0;
    border-radius: 4px;
    background: #0095ff;
    color: #fff;
    font-size: 16px;
    letter-spacing: 4px;
    text-indent: 4px;
    cursor: pointer;
}
.submit:disabled { opacity: 0.65; }
.done { text-align: center; padding: 18px 8px 8px; }
.done h2 { margin: 10px 0 8px; font-size: 20px; }
.done p { margin: 0 auto; max-width: 460px; color: #444; line-height: 1.7; font-size: 15px; }
.done-mark {
    width: 52px;
    height: 52px;
    margin: 0 auto;
    border-radius: 50%;
    background: #0095ff;
    position: relative;
}
.done-mark:after {
    content: "";
    position: absolute;
    left: 15px;
    top: 16px;
    width: 18px;
    height: 10px;
    border-left: 3px solid #fff;
    border-bottom: 3px solid #fff;
    transform: rotate(-45deg);
}
.home-card h1 { margin-right: 0; }
@media (min-width: 800px) {
    .page { padding-top: 28px; }
    .card { padding: 28px 36px 36px; }
}