/* ============================================================
   PianoCare - Desktop Styles (Updated)
   ============================================================ */

:root {
    --color-primary: #1a2744;
    --color-primary-light: #2c3e6b;
    --color-accent: #58BD38;
    --color-accent-hover: #b8934f;
    --color-accent-light: #F5F5F5;
    --color-bg: #ffffff;
    --color-bg-alt: #f8f9fb;
    --color-text: #1F2632;
    --color-text-light: #4B5665;
    --color-text-lighter: #a0aec0;
    --color-border: #e2e8f0;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.04);
    --shadow-md: 0 4px 20px rgba(0,0,0,0.06);
    --shadow-lg: 0 8px 40px rgba(0,0,0,0.08);
    --transition-fast: 0.2s ease;
    --transition-base: 0.3s ease;
    --font-sans: '微软雅黑', 'Noto Sans SC', 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-heading: '微软雅黑', 'Noto Sans SC', 'Inter', sans-serif;
    --container-max: 1200px;
    --section-padding: 100px 0;
    --card-radius: 16px;
    --btn-radius: 10px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
    font-family: var(--font-sans);
    font-size: 16px;
    line-height: 1.7;
    color: var(--color-text);
    background-color: var(--color-bg);
    -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

.container { max-width: var(--container-max); margin: 0 auto; padding: 0 24px; }
.section { padding: var(--section-padding); }
.section--bg { background-color: var(--color-bg-alt); }
.section__header { text-align: center; margin-bottom: 56px; }
.section__tag {
    display: inline-block;
    font-size: 15px; font-weight: 600; color: var(--color-accent);
    background: var(--color-accent-light); padding: 6px 16px;
    border-radius: 50px; margin-bottom: 12px; letter-spacing: 0.5px;
}
.section__title { font-family: var(--font-heading); font-size: 36px; font-weight: 700; color: var(--color-primary); margin-bottom: 12px; line-height: 1.3; }
.section__desc { font-size: 16px; color: var(--color-text-light); max-width: 600px; margin: 0 auto; }

.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 8px;
    font-family: var(--font-sans); font-size: 16px; font-weight: 600;
    padding: 8px 28px; border-radius: var(--btn-radius); cursor: pointer;
    transition: all var(--transition-base); border: 2px solid transparent; text-align: center; background: none;
}
.btn--primary { background-color: var(--color-primary); color: #fff; }
.btn--primary:hover { background-color: #58BD38; transform: translateY(-1px); box-shadow: var(--shadow-md); }
.btn--accent { background-color: var(--color-accent); color: #fff; }
.btn--accent:hover { background-color: var(--color-accent-hover); transform: translateY(-1px); box-shadow: 0 6px 24px rgba(201,169,110,0.3); }
.btn--outline { background: transparent; color: var(--color-primary); border-color: var(--color-border); }
.btn--outline:hover { border-color: var(--color-primary); background-color: var(--color-bg-alt); }
.btn--lg { padding: 14px 36px; font-size: 20px; }
.btn--full { width: 100%; }

/* Header */
.header {
    position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
    padding: 16px 0; transition: all var(--transition-base);
    background: rgba(255,255,255,0.95); backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px); box-shadow: var(--shadow-sm);
}
.header--scrolled { box-shadow: var(--shadow-md); }
.header__inner { display: flex; align-items: center; justify-content: space-between; }
.header__logo { display: flex; align-items: center; gap: 10px; font-size: 28px; font-weight: 700; color: var(--color-primary); }
.header__logo-icon {
	background: url(../images/logo_3.png) no-repeat right center;
	background-size: 36px 36px;
	font-size: 36px;
	width: 40px;
	height: 60px;
}
.header__nav { display: flex; align-items: center; }
.header__menu { display: flex; gap: 32px; }
.header__menu a { font-size: 16px; font-weight: 500; color: var(--color-text); transition: color var(--transition-fast); position: relative; }
.header__menu a::after { content: ''; position: absolute; bottom: -4px; left: 0; width: 0; height: 2px; background: var(--color-accent); transition: width var(--transition-base); }
.header__menu a:hover { color: var(--color-accent); }
.header__menu a:hover::after { width: 100%; }
.header__hamburger { display: none; }

/* ---------- 预约区块（深色，含引导语） ---------- */
.booking-bar {
    background: linear-gradient(180deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    padding: 90px 0;
    margin-top: 72px;
}

.booking-cta {
    text-align: center;
    margin-bottom: 32px;
}

.booking-cta__title {
    font-family: var(--font-heading);
    font-size: 36px;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 5px;
}

.booking-cta__desc {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.8);
}

.booking-form {
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 20px;
	margin: 0px 100px;
    padding: 50px 80px 80px 80px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.booking-form__row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.booking-form__row input,
.booking-form__row select,
.booking-form textarea {
    padding: 14px 18px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 10px;
    font-family: var(--font-sans);
    font-size: 16px;
    color: #ffffff;
    background: rgba(255, 255, 255, 0.2);
    transition: all var(--transition-fast);
}

.booking-form__row input::placeholder,
.booking-form textarea::placeholder {
    color: rgba(255, 255, 255, 0.8);
}

.booking-form__row select {
    color: rgba(255, 255, 255, 0.8);
}
.booking-form__row select option {
    color: var(--color-text);
    background: #fff;
}

.booking-form__row input:focus,
.booking-form__row select:focus,
.booking-form textarea:focus {
    outline: none;
    border-color: var(--color-accent);
    background: rgba(255, 255, 255, 0.15);
    box-shadow: 0 0 0 3px rgba(201, 169, 110, 0.2);
}

.booking-form textarea {
    resize: vertical;
    min-height: 80px;
}

.booking-form .btn {
    align-self: center;
    min-width: 200px;
    background: var(--color-accent);
    border: none;
    color: #fff;
    font-weight: 700;
    letter-spacing: 0.5px;
	
}

.booking-form .btn:hover {
    background: var(--color-accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
}



/* Hero */
.hero {
    padding: 180px 0px 60px 0px;
    background: linear-gradient(180deg, #f8f9fb 0%, #ffffff 100%);
}
.hero .container { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.hero__badge { display: inline-block; font-size: 15px; font-weight: 600; color: var(--color-accent); background: var(--color-accent-light); padding: 8px 18px; border-radius: 50px; margin-bottom: 20px; }
.hero__title { font-family: var(--font-heading); font-size: 50px; font-weight: 700; color: var(--color-primary); line-height: 1.2; margin-bottom: 20px; }
.hero__desc { font-size: 18px; color: var(--color-text-light); line-height: 1.8; margin-bottom: 32px; }
.hero__actions { display: flex; gap: 16px; margin-bottom: 40px; }
.hero__stats { display: flex; gap: 40px; }
.hero__stat { display: flex; flex-direction: column; }
.hero__stat-number { font-size: 32px; font-weight: 700; color: var(--color-primary); }
.hero__stat-label { font-size: 15px; color: var(--color-text-light); }
.hero__visual { position: relative; }
.hero__image-wrapper { border-radius: 20px; overflow: hidden; box-shadow: var(--shadow-lg); }
.hero__image { width: 100%; object-fit: cover; }
.hero__floating-card {
    position: absolute; bottom: -12px; left: -20px;
    background: #fff; border-radius: 12px; padding: 5px 22px;
    box-shadow: var(--shadow-md); display: flex; align-items: center; gap: 8px;
    font-size: 16px; font-weight: 500; color: var(--color-primary);
}
.hero__floating-card .hero__floating-icon {
    font-size: 24px; 
}

/* Services */
.services__grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.service-card { background: #ffffff; border: 1px solid var(--color-border); border-radius: var(--card-radius); padding: 32px 24px; transition: all var(--transition-base); }
.service-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: transparent; }
.service-card__icon { margin-bottom: 16px; }
.service-card__icon img { width: 48px; height: 48px; }
.service-card__title { font-size: 20px; font-weight: 700; color: var(--color-primary); margin-bottom: 10px; }
.service-card__desc { font-size: 15px; color: var(--color-text-light); margin-bottom: 16px; line-height: 1.7; }
.service-card__features { font-size: 15px; color: var(--color-text-light); display: flex; flex-direction: column; gap: 6px; }
.service-card__features li::before { content: '✓ '; color: var(--color-accent); font-weight: 700; }

/* Frequency */
.frequency__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-bottom: 32px; }
.frequency-card { background: #fff; border: 1px solid var(--color-border); border-radius: var(--card-radius); padding: 40px 28px; text-align: center; transition: all var(--transition-base); }
.frequency-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.frequency-card--highlight { border-color: var(--color-accent); background: var(--color-accent-light); position: relative; }
.frequency-card--highlight::before { content: '👍 建议'; position: absolute; top: -14px; left: 50%; transform: translateX(-50%); background: var(--color-accent); color: #fff; padding: 4px 16px; border-radius: 50px; font-size: 15px; font-weight: 600; }
.frequency-card__number { font-size: 40px; font-weight: 700; color: var(--color-primary); }
.frequency-card__period { font-size: 16px; color: var(--color-text-light); margin-bottom: 16px; }
.frequency-card__desc { font-size: 15px; color: var(--color-text-light); line-height: 1.8; }
.frequency__note { text-align: center; font-size: 16px; color: var(--color-text-light); background: #fff; padding: 16px 24px; border-radius: 12px; border: 1px solid var(--color-border); max-width: 700px; margin: 0 auto; }

/* Coverage */
.coverage__grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; max-width: 900px; margin: 0 auto; }
.coverage-item { background: #fff; border: 1px solid var(--color-border); border-radius: 12px; padding: 14px 10px; text-align: center; font-size: 16px; font-weight: 500; color: var(--color-primary); transition: all var(--transition-fast); }
.coverage-item:hover { background: var(--color-accent-light); border-color: var(--color-accent); }

/* Pricing */
.pricing__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-bottom: 24px; }
.pricing-card { background: #fff; border: 1px solid var(--color-border); border-radius: var(--card-radius); padding: 36px 28px; text-align: center; transition: all var(--transition-base); position: relative; }
.pricing-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.pricing-card--popular { border-color: var(--color-accent); box-shadow: 0 0 0 1px var(--color-accent); }
.pricing-card__badge { position: absolute; top: -14px; left: 50%; transform: translateX(-50%); background: var(--color-accent); color: #fff; padding: 6px 20px; border-radius: 50px; font-size: 15px; font-weight: 600; }
.pricing-card__header { margin-bottom: 24px; }
.pricing-card__title { font-size: 20px; font-weight: 700; color: var(--color-primary); margin-bottom: 12px; }
.pricing-card__price { display: flex; align-items: baseline; justify-content: center; gap: 2px; }
.pricing-card__currency { font-size: 20px; font-weight: 500; color: var(--color-text-light); }
.pricing-card__amount { font-size: 48px; font-weight: 700; color: var(--color-primary); line-height: 1; }
.pricing-card__unit { font-size: 18px; color: var(--color-text-light); }
.pricing-card__note { font-size: 15px; color: var(--color-text-lighter); margin-top: 8px; }
.pricing-card__features { text-align: left; font-size: 15px; color: var(--color-text-light); margin-bottom: 28px; display: flex; flex-direction: column; gap: 10px; }
.pricing-card__features li::before { content: '✓ '; color: var(--color-accent); font-weight: 700; }
.pricing__disclaimer { text-align: center; font-size: 15px; color: var(--color-text-lighter); }



.about-info {
	padding: 10px 10% 60px 10%;
}
.about-info p {
	font-size: 16px;
	color: var(--color-text-light);
	text-align: left;
	line-height: 32px;
}



/* Why Us */
.why-us__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.why-us-item { background: #fff; border: 1px solid var(--color-border); border-radius: var(--card-radius); padding: 32px 24px; transition: all var(--transition-base); }
.why-us-item:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: transparent; }
.why-us-item__icon { font-size: 36px; margin-bottom: 14px; }
.why-us-item__icon img {
	width: 38px;
	height: auto;
}
.why-us-item__title { font-size: 18px; font-weight: 700; color: var(--color-primary); margin-bottom: 10px; }
.why-us-item__desc { font-size: 15px; color: var(--color-text-light); line-height: 1.7; }

/* Testimonials */
.testimonials__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.testimonial-card { background: #fff; border: 1px solid var(--color-border); border-radius: var(--card-radius); padding: 28px 24px; transition: all var(--transition-base); }
.testimonial-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.testimonial-card__stars { font-size: 28px; margin-bottom: 14px; }
.testimonial-card__avatar { margin-bottom: 12px; }
.testimonial-card__avatar img { width: 100px; height: 100px; border-radius: 50%; object-fit: cover; border: 2px solid var(--color-accent-light); }
.testimonial-card__text { font-size: 16px; color: var(--color-text); line-height: 1.8; margin-bottom: 16px; font-style: italic; }
.testimonial-card__author { font-size: 15px; color: var(--color-text-light); }

/* Process */
.process__steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; position: relative; }
.process__steps::before { content: ''; position: absolute; top: 48px; left: 12.5%; width: 75%; height: 2px; background: var(--color-border); z-index: 0; }
.process-step { background: #fff; border: 1px solid var(--color-border); border-radius: var(--card-radius); padding: 32px 24px; text-align: center; position: relative; z-index: 1; transition: all var(--transition-base); }
.process-step:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.process-step__number { width: 48px; height: 48px; border-radius: 50%; background: var(--color-accent); color: #fff; font-size: 20px; font-weight: 700; display: flex; align-items: center; justify-content: center; margin: 0 auto 16px; }
.process-step__title { font-size: 18px; font-weight: 700; color: var(--color-primary); margin-bottom: 10px; }
.process-step__desc { font-size: 15px; color: var(--color-text-light); line-height: 1.7; }

/* FAQ */
.faq__list { max-width: 750px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
.faq-item { border: 1px solid var(--color-border); border-radius: 12px; overflow: hidden; transition: all var(--transition-fast); }
.faq-item:hover { border-color: var(--color-accent); }
.faq-item__question { width: 100%; background: #fff; border: none; padding: 20px 24px; font-size: 16px; font-weight: 600; color: var(--color-primary); display: flex; justify-content: space-between; align-items: center; cursor: pointer; font-family: var(--font-sans); text-align: left; }
.faq-item__icon { font-size: 22px; color: var(--color-accent); transition: transform var(--transition-fast); }
.faq-item__answer { max-height: 0; overflow: hidden; transition: max-height 0.4s ease, padding 0.4s ease; }
.faq-item__answer--open { max-height: 300px; padding: 0 24px 20px; }
.faq-item__answer p { font-size: 16px; color: var(--color-text-light); line-height: 1.8; }

/* Footer */
.footer { background: var(--color-primary); color: rgba(255,255,255,0.7); padding: 60px 0 24px; }
.footer__grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 40px; margin-bottom: 40px; }
.footer__logo { font-size: 18px; font-weight: 700; color: #fff; display: flex; align-items: center; gap: 8px; margin-bottom: 12px; }
.footer__logo span {
	background: url(../images/logo_2.png) no-repeat right center;
	background-size: 28px 28px;
	width: 36px;
	height: 36px;
}

.footer__desc { font-size: 14px; line-height: 1.8; }
.footer__links h4, .footer__contact h4 { color: #fff; font-size: 16px; margin-bottom: 16px; }
.footer__links ul, .footer__contact ul { display: flex; flex-direction: column; gap: 10px; }
.footer__links a, .footer__contact a { font-size: 15px; transition: color var(--transition-fast); }
.footer__links a:hover, .footer__contact a:hover { color: var(--color-accent); }
.footer__bottom { border-top: 1px solid rgba(255,255,255,0.1); padding-top: 20px; font-size: 15px; text-align: center; }